15秒でわかる
- Withdraw from a promise or agreement.
- Used when breaking a commitment.
- Common in casual and semi-formal talk.
- Avoid in very formal or legal settings.
意味
約束、取り決め、または取引から撤退すること。以前に行った約束を破ることを意味し、しばしば他者を失望させたり不便にさせたりします。
主な例文
3 / 11Texting a friend about plans
Hey, I'm so sorry, but I have to `back out` of our movie night tomorrow. Feeling super sick.
Hey, I'm so sorry, but I have to withdraw from our movie night tomorrow. Feeling super sick.
Emailing a colleague
Regrettably, due to unforeseen circumstances, I must `back out` of chairing the committee meeting next week.
Regrettably, due to unforeseen circumstances, I must withdraw from chairing the committee meeting next week.
Instagram caption about a cancelled event
So bummed that the weekend festival had to be cancelled last minute. So many vendors `backed out` because of the weather!
So bummed that the weekend festival had to be cancelled last minute. So many vendors withdrew because of the weather!
文化的背景
The phrase `back out` likely emerged from literal actions of physically backing a vehicle out of a situation, implying a retreat or withdrawal. As society became more complex with formal agreements and social contracts, the idiom evolved to describe the act of retreating from a verbal or written commitment. It highlights the cultural value placed on reliability and keeping one's word, where 'backing out' is seen as a failure to uphold that trust.
The "Of" is Key!
Remember to use the preposition `of` after `back out` when specifying what you're withdrawing from. It's 'back out **of** the deal,' not 'back out the deal' or 'back out from the deal.'
Don't Ghost!
The most embarrassing mistake? Just disappearing! If you `back out` of something, **always** communicate it clearly and politely to the other person. Ghosting is never cool.
15秒でわかる
- Withdraw from a promise or agreement.
- Used when breaking a commitment.
- Common in casual and semi-formal talk.
- Avoid in very formal or legal settings.
What It Means
So, back out is all about changing your mind after you've already committed to something. You've said 'yes,' maybe even shaken hands on it, and now you're saying 'nope.' It’s like you were driving forward on a path, and suddenly you decide to reverse. This usually happens with plans, agreements, or deals. It’s not just about changing your mind; it’s about withdrawing from a commitment you made to someone else. It can feel a bit like a betrayal if the other person was counting on you. Nobody likes being left hanging, right? It’s that feeling when your friend bails on movie night last minute, or a business partner pulls out of a deal just before signing.
How To Use It
You'll use back out when you want to express that someone (or yourself!) is no longer participating in a pre-arranged activity or agreement. For example, "I promised to help Sarah move, but I had to back out because I got sick." Or, "The buyer threatened to back out of the house sale if we didn't lower the price." It's super common in everyday conversations about plans. You can also use it in more serious contexts, like business negotiations. Just remember, it implies a prior agreement. You can't really back out of something you never agreed to in the first place, can you? That would be like trying to un-ring a bell!
Formality & Register
Back out is generally considered informal to neutral. You'd use it with friends, family, or colleagues you know well. It’s perfect for casual chats, texts, or emails where you need to explain why you can't follow through. In a very formal business setting, like a legal contract negotiation or a high-stakes corporate announcement, you might opt for more formal phrasing like "withdraw from the agreement" or "rescind our commitment." But for most everyday situations, back out is your go-to. It's relatable and gets the point across without sounding stuffy. It’s the comfortable hoodie of commitment-related verbs.
Real-Life Examples
Imagine you're planning a road trip with friends. "Hey guys, I'm so sorry, but I have to back out of the trip. My car broke down." Or in a work context: "We were going to launch the new feature next week, but we had to back out due to unforeseen technical issues." Think about a wedding: "The best man backed out two days before the wedding!" Talk about drama! On social media, someone might comment on a cancelled event: "Ugh, so many people backed out last minute." It’s used everywhere, from your WhatsApp group chat to the news.
When To Use It
Use back out when you've made a promise or entered into an agreement, and now you're unable to or unwilling to fulfill it. This applies to social plans (like parties, trips, or helping someone move), business deals (like buying a house or a product), or even commitments like volunteering or taking on a project. If you told your neighbor you’d water their plants while they were away, and then you get a last-minute work trip, you back out of watering the plants. It's for situations where a commitment existed and is now being undone. Don't use it for simple cancellations of things you never committed to, like deciding not to go to a free public event you just mentioned attending.
When NOT To Use It
Avoid back out if you never actually agreed to something in the first place. If you just *mentioned* you *might* go to a party but never confirmed, you aren't backing out; you're just not going. Also, if you're formally withdrawing from a legal contract, use more precise legal terms. It’s generally not suitable for situations where you're canceling something for yourself that doesn't affect others directly, like "I was going to go to the gym, but I backed out." It sounds a bit odd; "I decided not to go" is better. And definitely don't use it if you're the one *canceling* on someone who was *expecting* you to fulfill a promise – that’s a bit too casual for the gravity of the situation, unless you're trying to be funny (which is risky!).
Common Mistakes
Learners sometimes use back out when they mean to simply cancel or decide not to do something they never fully committed to. It's also sometimes used when someone is *preventing* another person from doing something, which is incorrect. The phrase is about *self*-withdrawal from a commitment.
✗ I backed out of going to the concert because it was sold out.
✓ I couldn't go to the concert because it was sold out.
✗ My boss backed me out of the project.
✓ My boss removed me from the project. / My boss took me off the project.
✗ She decided to back out from the competition.
✓ She decided to withdraw from the competition. / She decided not to enter the competition.
Common Variations
While back out is widely understood, you might hear slight variations. In British English, people might sometimes say "pull out" which is very similar. For example, "He pulled out of the race at the last minute." It carries the same meaning of withdrawing from a commitment. In very casual settings, especially texting, you might see abbreviations or slight rephrasing, but the core meaning remains. "Gonna have to bail on the plan" is a more slangy alternative. "Bail" is super informal and often used for social plans. It’s like back out’s cooler, slightly irresponsible cousin.
Real Conversations
Sarah
Mark
back out. My sister just arrived unexpectedly, and I promised to hang out with her.Sarah
Alex
backed out of the deal.Ben
Alex
backed out so late?Quick FAQ
Q: Can I back out of a job offer?
A: Yes, you can back out of a job offer if you haven't formally accepted it or if you need to withdraw your acceptance before starting. It's polite to give a clear reason and apologize for any inconvenience caused to the employer.
Q: Is back out always negative?
A: It often carries a negative connotation because it means breaking a commitment. However, the severity depends on the situation and how you communicate it. Sometimes, backing out is necessary due to unforeseen circumstances, and people can understand if explained properly.
Q: What's a more formal way to say back out?
A: In formal contexts, you might say "withdraw from an agreement," "rescind an offer," "cancel participation," or "relinquish a commitment." These sound more professional and are suitable for official communications or legal situations.
Q: Can I back out of a date?
A: Yes, you can back out of a date. It's common to text something like, "Hey, I'm really sorry, but I have to back out of our date tonight. I'm not feeling well." It's better than just not showing up, which is definitely rude!
Q: What if someone backs out of a promise to me?
A: It can be disappointing or frustrating. You might feel let down. Depending on the promise and the relationship, you could express your feelings, like "I was really counting on you, so I'm disappointed you had to back out," or try to understand their reasons.
Q: Does back out apply to physical actions?
A: Not usually. While "backing out" of a parking spot is a physical action, the idiom back out refers to withdrawing from a commitment or agreement, not a physical movement. Context is key here!
使い方のコツ
This phrase is primarily informal to neutral. Using `back out` in very formal business or legal documents might sound unprofessional; opt for 'withdraw' or 'rescind' instead. Always remember to use the preposition 'of' after `back out` when specifying the commitment you're leaving.
The "Of" is Key!
Remember to use the preposition `of` after `back out` when specifying what you're withdrawing from. It's 'back out **of** the deal,' not 'back out the deal' or 'back out from the deal.'
Don't Ghost!
The most embarrassing mistake? Just disappearing! If you `back out` of something, **always** communicate it clearly and politely to the other person. Ghosting is never cool.
Context is King
While `back out` is informal, you *can* use it in slightly more formal settings if you soften it with phrases like 'Regrettably' or 'Unfortunately.' However, for truly formal situations, choose 'withdraw' or 'rescind.'
The Value of Your Word
In many English-speaking cultures, keeping your word is highly valued. `Backing out` is often viewed negatively because it breaks that trust. Be mindful of the commitment you make before agreeing to something!
例文
11Hey, I'm so sorry, but I have to `back out` of our movie night tomorrow. Feeling super sick.
Hey, I'm so sorry, but I have to withdraw from our movie night tomorrow. Feeling super sick.
Here, 'back out' clearly means canceling a social plan you had already agreed to.
Regrettably, due to unforeseen circumstances, I must `back out` of chairing the committee meeting next week.
Regrettably, due to unforeseen circumstances, I must withdraw from chairing the committee meeting next week.
This is a slightly more formal use, but 'back out' still fits to explain withdrawing from a responsibility.
So bummed that the weekend festival had to be cancelled last minute. So many vendors `backed out` because of the weather!
So bummed that the weekend festival had to be cancelled last minute. So many vendors withdrew because of the weather!
Shows how the phrase can be used in plural to describe multiple people or entities withdrawing.
We understand candidates sometimes need to `back out` of the process, but we appreciate you letting us know promptly.
We understand candidates sometimes need to withdraw from the process, but we appreciate you letting us know promptly.
Used here by an interviewer to acknowledge a candidate's potential withdrawal, maintaining a professional yet understanding tone.
I can't believe Mark `backed out` of organizing the surprise party for Lisa! Now we have to scramble.
I can't believe Mark withdrew from organizing the surprise party for Lisa! Now we have to scramble.
This example highlights the disappointment and inconvenience caused when someone breaks a commitment.
My diet plan officially `backed out` the second I smelled pizza. It was too powerful!
My diet plan officially withdrew the second I smelled pizza. It was too powerful!
Used humorously to personify the diet plan and explain giving in to temptation.
✗ I was thinking about joining the gym, but I `backed out`.
✗ I was thinking about joining the gym, but I decided not to join.
You can't 'back out' of something you never committed to. 'Decided not to join' or 'didn't join' is correct.
✗ The rain `backed out` the concert.
✗ The rain caused the concert to be cancelled.
'Back out' is used when a person or entity withdraws from a commitment, not when an external factor causes cancellation.
The buyers wanted to `back out` after the inspection revealed some issues with the foundation.
The buyers wanted to withdraw after the inspection revealed some issues with the foundation.
This shows a common scenario in real estate where a deal might fall through.
I can't believe Sarah `backed out` of the group project. Now we have to redo the entire presentation.
I can't believe Sarah withdrew from the group project. Now we have to redo the entire presentation.
Highlights the negative impact when someone withdraws from a shared responsibility.
I agreed to beta test the new game, but I had to `back out` because it was too buggy.
I agreed to beta test the new game, but I had to withdraw because it was too buggy.
Shows usage in a tech/gaming context where commitments might be less formal but still binding.
自分をテスト
Choose the sentence that correctly uses the phrase `back out`.
Which sentence uses `back out` correctly?
`Back out` means to withdraw from a commitment. The other options describe literal physical movement.
Fill in the blank with the correct form of the phrase.
The context implies withdrawing from a prior agreement, which is the meaning of `back out`.
Find and fix the error in the sentence.
The correct preposition to use with `back out` when referring to a commitment or deal is 'of', not 'from'.
Choose the sentence that correctly uses the phrase `back out`.
Which sentence correctly expresses withdrawing from an agreement?
This sentence correctly uses `back out` to mean withdrawing from a business agreement (merger). The other options misuse the phrase.
Fill in the blank with the correct form of the phrase.
You are withdrawing from a previously agreed-upon plan (the party), so `back out` is the correct phrase.
Find and fix the error in the sentence.
The phrase is `back out of` something. Adding 'himself' is redundant and 'from' is the wrong preposition. The core phrase is `back out of`.
Choose the sentence that correctly uses the phrase `back out`.
Which sentence correctly describes someone withdrawing from a deal?
`Back out of` is used to describe withdrawing from a contract or deal. The other sentences describe physical actions or incorrect usage.
Fill in the blank with the correct form of the phrase.
The context of negotiation and a sudden withdrawal from a deal points to `backed out`.
🎉 スコア: /8
ビジュアル学習ツール
Formality Spectrum for `Back Out`
Slangy, casual contexts like texting friends.
Ugh, gotta `back out` of game night, sorry!
Everyday conversations, social media posts.
I had to `back out` of helping him move.
Semi-formal emails, work discussions.
We need to `back out` of this deal if costs increase.
Rarely used; more formal terms preferred.
Regrettably, we must `back out` of our commitment. (Better: withdraw)
When Do You `Back Out`?
Social Plans
Can't make the party, gotta `back out`.
Business Deals
The buyer `backed out` of the house sale.
Job Offers
I had to `back out` of the job offer.
Promises/Favors
Sorry, I have to `back out` of helping you move.
Projects/Teams
She `backed out` of the group project.
Competitions
He `backed out` of the marathon.
`Back Out` vs. Similar Phrases
Reasons for `Backing Out`
Personal Circumstances
- • Illness
- • Family emergency
- • Unexpected travel
- • Change of mind
External Factors
- • Bad weather
- • Logistical problems
- • Financial issues
- • Regulatory changes
Deal Breakers
- • Inspection issues (house)
- • New information discovered
- • Better offer elsewhere
- • Disagreement on terms
Commitment Issues
- • Over-commitment
- • Lack of interest
- • Fear of failure
- • Peer pressure withdrawal
練習問題バンク
8 問題Which sentence uses `back out` correctly?
`Back out` means to withdraw from a commitment. The other options describe literal physical movement.
He promised to come, but he decided to ___ at the last minute.
The context implies withdrawing from a prior agreement, which is the meaning of `back out`.
間違いを見つけて直してください:
She wanted to back out from the deal.
The correct preposition to use with `back out` when referring to a commitment or deal is 'of', not 'from'.
Which sentence correctly expresses withdrawing from an agreement?
This sentence correctly uses `back out` to mean withdrawing from a business agreement (merger). The other options misuse the phrase.
I'm sorry, I can't make it. I have to ___ of the party tonight.
You are withdrawing from a previously agreed-upon plan (the party), so `back out` is the correct phrase.
間違いを見つけて直してください:
He promised to help, but he backed out himself from the commitment.
The phrase is `back out of` something. Adding 'himself' is redundant and 'from' is the wrong preposition. The core phrase is `back out of`.
Which sentence correctly describes someone withdrawing from a deal?
`Back out of` is used to describe withdrawing from a contract or deal. The other sentences describe physical actions or incorrect usage.
After weeks of negotiation, the investor suddenly ___ of the deal.
The context of negotiation and a sudden withdrawal from a deal points to `backed out`.
🎉 スコア: /8
ビデオチュートリアル
このフレーズに関するYouTubeの動画チュートリアルを探す。
よくある質問
18 問It means to decide not to do something that you had previously agreed to do. This could be a plan, a promise, a deal, or any kind of commitment. Think of it as reversing your decision after you've already committed.
Yes, you can back out of a job offer if you haven't formally accepted it yet, or sometimes even after accepting if circumstances change drastically. It's crucial to communicate this withdrawal professionally and promptly to the employer to avoid burning bridges.
Not exactly. 'Cancel' can refer to stopping something before it starts or even something you were planning alone. Back out specifically implies withdrawing from a commitment or agreement you made *with someone else*, often after they were relying on you.
You'd use it when you can't make it to a social event you promised to attend, like a friend's party, a movie night, or helping someone move. For example, 'I'm so sorry, I have to back out of game night tonight, I'm feeling unwell.'
In business, it refers to withdrawing from a deal, contract, or agreement. For instance, 'The investor threatened to back out if the terms weren't met,' or 'Unfortunately, we had to back out of the partnership due to strategic differences.'
It can be perceived as rude, depending on the situation and how it's handled. Breaking a commitment can disappoint others. However, if you back out for a valid reason and communicate it clearly and apologetically, people are often understanding.
In formal settings, you would use phrases like 'withdraw from an agreement,' 'rescind our offer,' 'cancel participation,' or 'relinquish our commitment.' These sound more professional and are suitable for official communications or legal contexts.
No, you cannot back out of something you never committed to. If you only mentioned you *might* go somewhere but never confirmed, you aren't 'backing out'; you're simply not going. Use phrases like 'decided not to go' instead.
Back out means to withdraw from a commitment or agreement you made. Back down means to yield or concede in an argument or dispute, often under pressure, rather than standing firm on your position.
The phrase back out is widely understood across English-speaking regions. However, in British English, 'pull out' is a very common synonym used in similar contexts, like withdrawing from a deal or competition.
This is a less common, more figurative use. It means they want to stop discussing the current topic, perhaps because it's becoming too heated, uncomfortable, or unproductive. They are withdrawing from the verbal exchange.
Yes, a company can back out of a contract, but it usually involves specific legal procedures and potential penalties outlined in the contract itself. It's often referred to more formally as 'breaching the contract' or 'terminating the agreement,' depending on the circumstances.
A frequent error is using the wrong preposition, like 'back out from' instead of 'back out **of**.' Another mistake is using it for physical movement, like backing a car out of a spot, which uses the literal meaning, not the idiomatic one.
Yes, it's generally acceptable to back out of a date if you need to, but it's essential to do so politely and with notice. A text like, 'So sorry, I'm not feeling well and need to back out of our date tonight,' is much better than just not showing up.
If someone backs out of a group project, it can cause significant problems for the remaining members, potentially increasing their workload or jeopardizing the project's success. The remaining team members might need to reassign tasks or find a replacement.
While technically possible, it sounds odd. You usually back out of something you feel obligated to do or have committed to, often reluctantly. Saying 'I decided not to go' is more natural for things you were considering but not firmly committed to.
Back out is generally informal and used for various commitments. Reneg (or renege) is more formal and specifically refers to failing to fulfill a promise or agreement, often implying a breach of trust or obligation, especially in a business or legal context.
Yes, you can back out of a subscription if you decide to cancel it before it renews. For example, 'I decided to back out of my gym membership this month because I wasn't using it enough.'
関連フレーズ
pull out
synonymTo withdraw from an arrangement, competition, or deal.
Both `pull out` and `back out` mean to withdraw from a commitment, with `pull out` being slightly more common in British English contexts.
back down
related topicTo yield or concede in an argument or dispute.
While both involve retreating, `back down` is about conceding in a conflict, whereas `back out` is about withdrawing from a prior agreement or promise.
renege on
formal versionTo fail to fulfill a promise or agreement.
`Reneg on` is a more formal and serious term used when someone fails to honor a commitment, often implying a deliberate breach of contract or promise.
bail on
informal versionTo abandon or desert someone or something; to fail to show up.
`Bail on` is a very informal, slangy alternative to `back out`, typically used for social plans and implying a less reliable or more sudden withdrawal.
withdraw from
formal versionTo remove oneself from a situation, agreement, or organization.
`Withdraw from` is a more formal and neutral term that can be used in place of `back out` in professional or official contexts.
go back on
related topicTo break a promise or commitment.
This phrase is very similar in meaning to `back out` and emphasizes the act of breaking a specific promise or word given.