Explanation at your level:
When you decide, you choose. You have two things. You pick one. I decide to eat pizza. I decide to go home. It is easy!
You use decide when you make a choice. For example, 'I decided to buy a new car.' It means you thought about it and then made your choice. You can decide to do something, or you can decide on something.
To decide is to come to a conclusion. We often use it with an infinitive, like 'He decided to study English.' It is a very useful verb for talking about plans and past actions. Remember, if you are choosing a specific item, we say 'decide on' (e.g., 'We decided on the blue paint').
The verb decide implies a process of deliberation. It is often used in professional contexts, such as 'The board decided to expand the company.' It is distinct from 'choose' or 'select' because it suggests a resolution to a problem or a finality after some hesitation.
In advanced English, decide can carry weight regarding authority or finality. One might 'decide the outcome' of a match or 'decide a case' in a legal setting. It is often used in passive constructions to emphasize the result rather than the agent: 'It was decided that the project would continue.'
At the mastery level, decide reflects the etymological 'cutting off' of alternatives. It is used in philosophical or literary contexts to describe the internal struggle of choice. It can also be used reflexively or in complex structures: 'The matter was decided by the sheer force of circumstance.' It remains a cornerstone of logical argumentation and narrative progression.
30秒でわかる単語
- Decide means to make a choice.
- It comes from the Latin for 'cutting'.
- Use 'decide to' for actions.
- Use 'decide on' for things.
When you decide, you are taking control of a situation by making a choice. Whether you are choosing what to eat for lunch or determining your career path, the act of deciding is a fundamental part of human life.
Think of it as a fork in the road. You stand there, look at the different paths, and then commit to one direction. It is not just about picking; it is about resolving to do something.
The word decide comes from the Latin word decidere, which literally means 'to cut off.' This is fascinating because it implies that when you make a choice, you are 'cutting off' all the other possibilities.
It arrived in English via Old French in the 14th century. The root caedere (to cut) is also found in words like 'decide,' 'precise,' and 'scissors.' History shows us that deciding is essentially an act of pruning away the unnecessary to focus on the essential.
We use decide in many contexts, ranging from casual to professional. You might say 'I decided to stay home,' which is very common in daily conversation.
In formal settings, you might hear 'The committee decided to postpone the meeting.' Notice how it is often followed by an infinitive verb (to + verb) or a 'that' clause. Mastering these patterns makes your English sound much more natural.
- Decide on: To make a final choice about something (e.g., 'Have you decided on a color?').
- Flip a coin: To let chance decide for you.
- Call the shots: To be the person who decides what happens.
- Sit on the fence: To be unable to decide between two options.
- Make up one's mind: A common synonym for deciding (e.g., 'I can't make up my mind').
The verb decide is regular, so its past tense is decided. It is pronounced /dɪˈsaɪd/. Note the stress is on the second syllable.
It rhymes with 'provide,' 'collide,' and 'divide.' It does not take an object directly in some contexts; instead, it often uses the preposition 'on' when referring to a specific item or choice.
Fun Fact
It shares a root with scissors.
Pronunciation Guide
dee-SIDE
dee-SIDE
Common Errors
- Pronouncing it as 'de-seed'
- Stress on first syllable
- Missing the 'd' sound at the end
Rhymes With
Difficulty Rating
Easy to read
Common usage
Standard
Clear
What to Learn Next
Prerequisites
Learn Next
上級
Grammar to Know
Infinitive verbs
decide to go
Prepositional verbs
decide on
Past tense
decided
Examples by Level
I decide to eat.
I make a choice to eat.
Verb + to + infinitive.
I decided to go home.
We decided on the blue car.
She decided to study.
They decided to play.
He decided to walk.
We decided to eat.
I decided to sleep.
She decided to run.
Have you decided on a date?
I decided to take the job.
They decided to move house.
We decided to cancel the trip.
She decided to learn French.
He decided to quit his job.
I decided to stay calm.
We decided to be friends.
The committee decided to implement changes.
It was a hard thing to decide.
They decided against the plan.
We have decided to proceed.
Nothing has been decided yet.
She decided to pursue a degree.
He decided to take a risk.
We decided to keep it secret.
The judge decided the case in our favor.
Circumstances decided our fate.
He decided to dedicate his life to art.
The outcome was decided by a single vote.
She decided to forgo the opportunity.
They decided to challenge the ruling.
It was decided that we should wait.
We decided to settle the matter.
The die is cast; the matter is decided.
He decided the course of history.
She decided to sever all ties.
The council decided to dissolve the union.
Fate decided otherwise.
They decided to relinquish their claims.
It was decided to maintain the status quo.
The debate decided the election.
よく使う組み合わせ
Idioms & Expressions
"make up one's mind"
to decide
I made up my mind to go.
neutral"sit on the fence"
unable to decide
Stop sitting on the fence!
casual"call the shots"
to be the decider
She calls the shots here.
casual"flip a coin"
let chance decide
Let's flip a coin.
casual"the die is cast"
a decision is made
The die is cast.
literaryEasily Confused
Preposition usage.
Decide + to/that vs Decide on + noun.
I decided to go. I decided on the blue shirt.
Similar meaning.
Decide is more about the process.
I chose a book. I decided to read it.
Formal usage.
Determine is more about finding facts.
I decided to walk. I determined the cause.
Formal usage.
Resolve is a stronger, more firm decision.
I decided to quit. I resolved to change.
Sentence Patterns
Subject + decide + to + verb
I decided to go.
Subject + decide + on + noun
We decided on the plan.
Subject + decide + that + clause
He decided that he would stay.
It + be + decided + that + clause
It was decided that we wait.
Subject + decide + against + gerund
We decided against going.
語族
Nouns
Verbs
Adjectives
関連
How to Use It
9
Formality Scale
よくある間違い
Decide is not reflexive with 'me'.
Use infinitive, not gerund.
The preposition is 'on'.
Decide usually refers to choices, not problems.
Needs past tense.
Tips
Memory Palace
Imagine a judge hitting a gavel when you decide.
Native Speakers
We say 'I've decided' to show a finished choice.
Cultural Insight
Decisiveness is often valued in Western culture.
Grammar Shortcut
Always follow with 'to' + verb.
Say It Right
Make sure to hit the 'd' at the end.
Don't Make This Mistake
Avoid 'decide of'.
Did You Know?
It comes from the Latin for 'cutting'.
Study Smart
Use it in a sentence about your day.
Memorize It
Mnemonic
Decide cuts off other options like a pair of scissors.
Visual Association
A pair of scissors cutting a map into one path.
Word Web
チャレンジ
List 3 things you decided today.
語源
Latin
Original meaning: to cut off
文化的な背景
None
Used frequently in business and personal life.
Practice in Real Life
Real-World Contexts
At work
- Decide on a strategy
- Decide the budget
- Finalize the decision
Travel
- Decide on a destination
- Decide to extend the trip
- Hard to decide
School
- Decide on a major
- Decide to study
- Decide the topic
Daily life
- Decide what to eat
- Decide to stay in
- Can't decide
Conversation Starters
"What was the hardest thing you decided recently?"
"Do you prefer to decide quickly or slowly?"
"Who helps you decide when you are stuck?"
"What is the best decision you ever made?"
"Do you ever flip a coin to decide?"
Journal Prompts
Write about a time you had to make a big decision.
Describe a situation where you couldn't decide.
How do you feel after you finally decide?
What is one thing you need to decide today?
よくある質問
8 問Yes, it ends in -ed in the past.
Decision.
No, that is incorrect.
Decide implies more thought.
Use 'decide on'.
It is neutral.
Hesitate or waver.
When making a choice after thinking.
自分をテスト
I ___ to go home.
Past tense needed.
What does decide mean?
Decide is to make a choice.
You can say 'decide going'.
It should be 'decide to go'.
Word
意味
Correct preposition usage.
Subject + verb + infinitive.
スコア： /5
Summary
To decide is to cut off all other paths so you can focus on one.
- Decide means to make a choice.
- It comes from the Latin for 'cutting'.
- Use 'decide to' for actions.
- Use 'decide on' for things.
Memory Palace
Imagine a judge hitting a gavel when you decide.
Native Speakers
We say 'I've decided' to show a finished choice.
Cultural Insight
Decisiveness is often valued in Western culture.
Grammar Shortcut
Always follow with 'to' + verb.
例文
I cannot decide which shirt to wear to the party today.
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