In 15 Seconds
- Fight with extreme intensity.
- Use all your strength and determination.
- Implies a fierce, no-holds-barred struggle.
- Best for serious contests, not minor issues.
Meaning
When you fight `tooth and nail`, you're giving it absolutely everything you've got. Think of it as a no-holds-barred, super intense battle where you won't back down. It's all about fierce determination and a refusal to surrender, no matter how tough things get.
Key Examples
3 of 12Texting a friend about a sale
OMG, that Black Friday sale was insane! I fought `tooth and nail` for the last pair of sneakers.
OMG, that Black Friday sale was insane! I fought with extreme intensity for the last pair of sneakers.
Watching a sports game
The home team is playing `tooth and nail` to keep their playoff hopes alive!
The home team is playing with extreme intensity to keep their playoff hopes alive!
Discussing a political debate
The candidates argued `tooth and nail` over economic policy. It was a brutal debate.
The candidates argued fiercely over economic policy. It was a brutal debate.
Cultural Background
The phrase `tooth and nail` evokes a primal, visceral image of combat. Its existence highlights a historical context where physical struggle and fierce defense were common themes, whether in actual warfare, animalistic competition, or even rudimentary legal battles. It taps into the deep-seated human (and animal) instinct to fight ferociously for survival or dominance, using every natural weapon available.
Visualize the Fight!
Imagine animals or people literally using their teeth and nails. This primal imagery helps you remember the phrase means a fierce, desperate struggle.
Don't Overdo It!
Using `tooth and nail` for minor issues sounds dramatic. Avoid it for everyday annoyances; save it for battles that truly matter!
In 15 Seconds
- Fight with extreme intensity.
- Use all your strength and determination.
- Implies a fierce, no-holds-barred struggle.
- Best for serious contests, not minor issues.
What It Means
This phrase means to fight or compete with extreme intensity and determination. You're not holding back at all. It’s like you're using every single weapon you have, even your teeth and fingernails, to win. It shows a powerful, almost desperate, will to succeed or defend something important. You're fully committed, no matter the cost.
Origin Story
Imagine ancient warriors, or even animals, locked in a brutal fight. What do they use? Their sharpest weapons: teeth and nails! This imagery likely comes from olden times when combat was very physical. Think knights in armor, or even street brawls where people would literally scratch and bite. It paints a vivid picture of a desperate, primal struggle. It’s been around for ages, appearing in print as early as the 16th century. So, it’s not some newfangled slang; it’s got some serious historical grit!
How To Use It
Use tooth and nail when you want to emphasize the sheer effort and ferocity of a struggle. It's for situations where someone is fighting with all their might. You can use it for anything from a political campaign to a sports match, or even just trying to get the last slice of pizza. Just remember, it implies a serious, often difficult, contest. It’s not for casual disagreements, like choosing a movie. You wouldn't say you fought tooth and nail over which Netflix show to watch, unless you *really* meant it was a major battle!
Real-Life Examples
- My team fought
tooth and nailto win the championship. We were down by 20 points! - She defended her research
tooth and nailduring the conference Q&A. She knew her stuff. - The startup is fighting
tooth and nailto stay afloat in this tough market. - He argued
tooth and nailagainst the proposed budget cuts. He believed they were unfair. - The cat fought
tooth and nailwhen I tried to give it a bath. It was a furry whirlwind!
When To Use It
Use this phrase when describing intense competition or a fierce struggle. Think about big goals or important battles. A company fighting for market share? Perfect. A politician battling an opponent? Absolutely. A student pulling an all-nighter to finish a crucial project? You bet. It's great for highlighting extreme effort and unwavering resolve. It adds a dramatic flair to any story of struggle. It really amps up the intensity!
When NOT To Use It
Avoid using tooth and nail for everyday, minor inconveniences. Complaining about slow Wi-Fi or a long queue at the grocery store doesn't usually warrant this level of intensity. It's also not for situations requiring diplomacy or quiet negotiation. If you need to be subtle, this phrase is too aggressive. Don't use it if the situation is trivial; it might make you sound overly dramatic or even a bit ridiculous. Save it for the *real* battles.
Common Mistakes
A common mistake is using it for situations that aren't intense enough. For example, saying you argued tooth and nail over where to go for lunch might sound silly. It’s also sometimes misused by adding unnecessary words.
✗ I fought toothy and nail.
✓ I fought tooth and nail.
✗ We will fight with tooth and nail.
✓ We will fight tooth and nail.
It’s a set phrase, so stick to the exact wording. Don't get creative with it unless you're aiming for a funny, intentional twist!
Similar Expressions
All out:
This means putting in maximum effort, similar to tooth and nail, but perhaps slightly less aggressive.
With might and main:
An older, more formal synonym. It also means using all your strength and resources.
To the bitter end:
This emphasizes continuing something until the very end, regardless of the outcome, often implying a long struggle.
Give it your all:
A more general encouragement to try your best, less about fierce fighting.
Memory Trick
Picture a tiny kitten, looking adorable, but suddenly it's hissing and swiping with its tiny teeth and tiny nails. Even though it's small, it's fighting with *everything* it has. That's the spirit of tooth and nail – maximum effort, no matter the size of the fighter!
Quick FAQ
- What does
tooth and nailmean?
It means to fight with extreme intensity and determination, using all available means.
- Is it always about physical fighting?
No, it's often used metaphorically for any intense struggle or competition.
- Can I use it in a job interview?
Probably not. It's quite informal and implies a level of aggression usually avoided in professional settings.
Usage Notes
This idiom is firmly informal. While it can be used metaphorically for any intense effort, its aggressive imagery means it's best reserved for situations where that intensity is appropriate. Avoid it in formal business communication or polite social interactions where a less combative tone is needed.
Visualize the Fight!
Imagine animals or people literally using their teeth and nails. This primal imagery helps you remember the phrase means a fierce, desperate struggle.
Don't Overdo It!
Using `tooth and nail` for minor issues sounds dramatic. Avoid it for everyday annoyances; save it for battles that truly matter!
Metaphor is Key
Most often, `tooth and nail` isn't about physical biting or scratching. It's a metaphor for extreme effort and determination in any kind of contest.
Echoes of History
This phrase taps into historical imagery of raw combat and survival. Its longevity shows how deeply the idea of fierce, primal struggle resonates across cultures.
Examples
12OMG, that Black Friday sale was insane! I fought `tooth and nail` for the last pair of sneakers.
OMG, that Black Friday sale was insane! I fought with extreme intensity for the last pair of sneakers.
Shows fierce competition for a desired item.
The home team is playing `tooth and nail` to keep their playoff hopes alive!
The home team is playing with extreme intensity to keep their playoff hopes alive!
Highlights the players' intense effort and determination.
The candidates argued `tooth and nail` over economic policy. It was a brutal debate.
The candidates argued fiercely over economic policy. It was a brutal debate.
Emphasizes the aggressive and determined nature of the political argument.
This hike was no joke! Battled `tooth and nail` to reach the summit, but the view was worth it. 💪 #NoPainNoGain
This hike was no joke! Battled with extreme intensity to reach the summit, but the view was worth it. 💪 #NoPainNoGain
Uses the phrase to describe a physically demanding challenge.
I am confident that my skills and dedication will allow me to compete `tooth and nail` for this role and contribute significantly to your team.
I am confident that my skills and dedication will allow me to compete fiercely for this role and contribute significantly to your team.
Shows determination for a professional opportunity, though slightly informal for a very formal setting.
This IKEA furniture assembly is testing me! I've been wrestling `tooth and nail` with these instructions for hours.
This IKEA furniture assembly is testing me! I've been wrestling with extreme intensity with these instructions for hours.
Humorous exaggeration of a common frustrating task.
I studied `tooth and nail` for that final exam. I really hope it pays off!
I studied with extreme intensity for that final exam. I really hope it pays off!
Expresses the immense effort put into academic preparation.
✗ I fought toothy and nail for my spot on the team.
✗ I fought fiercely for my spot on the team.
Incorrect spelling of the idiom.
✗ We debated tooth and nails about the movie.
✗ We debated fiercely about the movie.
Incorrect pluralization of 'nail'. The idiom is fixed.
When you see the last slice of pizza left: Me fighting `tooth and nail` to get it before anyone else 😂
When you see the last slice of pizza left: Me fighting with extreme intensity to get it before anyone else 😂
Relatable, humorous use in a social media context.
The lawyers fought `tooth and nail` over the settlement terms.
The lawyers fought fiercely over the settlement terms.
Highlights the aggressive and protracted nature of legal negotiations.
I had to search `tooth and nail` to find that specific vintage t-shirt online.
I had to search with extreme intensity to find that specific vintage t-shirt online.
Shows the phrase used for a determined, thorough search.
Test Yourself
Choose the sentence that uses `tooth and nail` correctly.
Which sentence correctly uses the idiom `tooth and nail`?
The idiom `tooth and nail` means to fight or compete with great intensity. Arguing for a proposal fits this meaning, while sleeping, looking, or building don't typically involve this kind of fierce struggle.
Fill in the blank with the correct idiom.
The sentence describes a fierce struggle for survival, which perfectly matches the meaning of fighting 'tooth and nail'.
Find and fix the error in the sentence.
The idiom is 'tooth and nail', not 'toothy and nail'. It refers to using all available means, like teeth and fingernails, in a fierce fight.
Translate the sentence into English.
The French idiom 'bec et ongles' literally translates to 'beak and claws', which is conceptually similar to the English 'tooth and nail', both signifying a fierce, all-out fight.
Choose the sentence that uses `tooth and nail` correctly.
Which sentence uses `tooth and nail` appropriately?
Studying intensely for an exam is a common metaphorical use of 'tooth and nail' to show extreme effort. Playing, going places, or baking usually don't fit the fierce struggle context.
Fill in the blank with the correct idiom.
The description of organizing protests and lobbying officials clearly indicates a fierce and determined opposition, fitting the meaning of fighting 'tooth and nail'.
Find and fix the error in the sentence.
The idiom is a fixed phrase 'tooth and nail'. Adding '-ly' to 'nail' creates an incorrect adverbial form.
Translate the sentence into English.
The Spanish idiom 'con uñas y dientes' translates directly to the English 'tooth and nail', both conveying a sense of fierce, determined defense using all available means.
Choose the sentence that uses `tooth and nail` correctly in a nuanced way.
Which sentence best captures the intensity of `tooth and nail`?
This option best reflects the fierce, uncompromising nature of the idiom. The other options either use it inappropriately (politeness, walking) or slightly misapply the intensity (struggling to understand, which is intense but less about direct conflict).
Fill in the blank with the correct idiom.
This context implies a David vs. Goliath scenario, where a smaller entity fiercely battles larger competitors, perfectly aligning with the meaning of 'tooth and nail'.
Find and fix the error in the sentence.
The idiom is a fixed phrase 'tooth and nail'. Adding '-ly' to 'nail' is incorrect.
Translate the sentence into English.
The French idiom 'bec et ongles' (beak and claws) is a direct parallel to the English 'tooth and nail', both signifying a fierce, determined defense.
🎉 Score: /12
Visual Learning Aids
Formality Spectrum: `Tooth and Nail`
Used in casual chats, texts, and personal stories where intensity is key.
OMG, I fought tooth and nail for that last concert ticket!
Common in everyday conversations, blogs, and social media to describe strong efforts.
The startup is fighting tooth and nail to compete with bigger companies.
Rarely used in neutral contexts; its intensity usually pushes it towards informal.
The team fought tooth and nail during the championship game.
Generally avoided in formal writing or speech due to its aggressive and colloquial nature.
While dedicated, the phrase 'tooth and nail' is too informal for this report.
Where You'll Hear `Tooth and Nail`
Sports Competition
The players fought tooth and nail to win the final.
Business Rivalry
Companies fight tooth and nail for market share.
Political Campaigns
The candidates argued tooth and nail during the debate.
Personal Challenges
I studied tooth and nail for that exam!
Defending a Belief
She fought tooth and nail for her principles.
Consumer Battles
Fighting tooth and nail for the last item on sale.
Comparing Intensity: `Tooth and Nail` vs. Similar Phrases
Scenarios for `Tooth and Nail`
Competition
- • Sports finals
- • Sales contests
- • Job market battles
Defense
- • Protecting territory
- • Defending ideas
- • Fighting injustice
Effort
- • Intense studying
- • Difficult projects
- • Overcoming obstacles
Conflict
- • Heated debates
- • Legal disputes
- • Parental arguments (over something serious!)
Practice Bank
12 exercisesWhich sentence correctly uses the idiom `tooth and nail`?
The idiom `tooth and nail` means to fight or compete with great intensity. Arguing for a proposal fits this meaning, while sleeping, looking, or building don't typically involve this kind of fierce struggle.
The small business fought ______ to survive the economic downturn.
The sentence describes a fierce struggle for survival, which perfectly matches the meaning of fighting 'tooth and nail'.
Find and fix the mistake:
He fought toothy and nail to protect his invention.
The idiom is 'tooth and nail', not 'toothy and nail'. It refers to using all available means, like teeth and fingernails, in a fierce fight.
Elle s'est battue bec et ongles pour obtenir cette promotion.
Hints: Think about the French idiom for fighting fiercely., The English idiom uses body parts.
The French idiom 'bec et ongles' literally translates to 'beak and claws', which is conceptually similar to the English 'tooth and nail', both signifying a fierce, all-out fight.
Which sentence uses `tooth and nail` appropriately?
Studying intensely for an exam is a common metaphorical use of 'tooth and nail' to show extreme effort. Playing, going places, or baking usually don't fit the fierce struggle context.
The activists fought ______ against the new development project, organizing protests and lobbying officials.
The description of organizing protests and lobbying officials clearly indicates a fierce and determined opposition, fitting the meaning of fighting 'tooth and nail'.
Find and fix the mistake:
They competed tooth and nailly for the championship title.
The idiom is a fixed phrase 'tooth and nail'. Adding '-ly' to 'nail' creates an incorrect adverbial form.
Lucharon con uñas y dientes para defender su territorio.
Hints: The Spanish 'uñas y dientes' literally means 'nails and teeth'., This directly corresponds to the English idiom.
The Spanish idiom 'con uñas y dientes' translates directly to the English 'tooth and nail', both conveying a sense of fierce, determined defense using all available means.
Which sentence best captures the intensity of `tooth and nail`?
This option best reflects the fierce, uncompromising nature of the idiom. The other options either use it inappropriately (politeness, walking) or slightly misapply the intensity (struggling to understand, which is intense but less about direct conflict).
The startup was fighting ______ against the established giants in the tech industry.
This context implies a David vs. Goliath scenario, where a smaller entity fiercely battles larger competitors, perfectly aligning with the meaning of 'tooth and nail'.
Find and fix the mistake:
I fought tooth and nailly to get the concert tickets.
The idiom is a fixed phrase 'tooth and nail'. Adding '-ly' to 'nail' is incorrect.
Il a défendu son idée bec et ongles.
Hints: What does 'bec et ongles' mean literally?, How does that relate to fierce fighting?
The French idiom 'bec et ongles' (beak and claws) is a direct parallel to the English 'tooth and nail', both signifying a fierce, determined defense.
🎉 Score: /12
Video Tutorials
Find video tutorials on YouTube for this phrase.
Frequently Asked Questions
18 questionsIt means to fight or compete with extreme intensity and determination. Imagine using every possible means, even your teeth and fingernails, to win or defend something. It signifies a fierce, no-holds-barred effort.
Absolutely! While the image is physical, the phrase is most often used metaphorically. You can fight tooth and nail in debates, business negotiations, academic pursuits, or any situation requiring maximum effort and resolve.
It's definitely informal. The imagery is quite aggressive and primal, making it unsuitable for very formal settings like official reports or solemn ceremonies. Think of it as language for passionate arguments or intense contests.
It's perfect for describing intense competitions, like sports championships or tough business rivalries. It also works for situations where someone is fiercely defending a principle, arguing passionately, or making a maximum effort towards a difficult goal.
Avoid using it for trivial matters or minor inconveniences, like struggling to find parking. It can also sound out of place in polite or diplomatic situations. Using it inappropriately might make you sound overly dramatic or aggressive.
All out means putting in maximum effort, while tooth and nail implies that effort is also fierce, aggressive, and perhaps even desperate. Tooth and nail has a stronger connotation of a combative struggle.
The core phrase is tooth and nail. Sometimes people might say 'fought tooth and nail' or 'compete tooth and nail'. The key is the fixed structure; avoid altering 'tooth' or 'nail'.
The phrase likely originates from the literal image of animals or people fighting using their teeth and fingernails as weapons. It suggests a primal, desperate struggle and has been used in English since at least the 16th century.
Not at all! It describes the *intensity* of the effort, not the outcome. You can fight tooth and nail and still lose, but it means you gave it absolutely everything you had during the fight.
Yes, you definitely can! Saying you 'studied tooth and nail' is a common metaphorical use. It means you put in an immense, intense effort to prepare for an exam or learn a difficult subject.
A frequent error is changing the words, like saying 'toothy and nail' or 'teeth and nails'. The phrase is a fixed idiom, so it's important to use the exact wording: tooth and nail.
There isn't a perfect one-to-one formal equivalent, but phrases like 'with utmost determination,' 'fiercely competitive,' or 'with great resolve' convey similar ideas in a more formal register. 'With might and main' is an older, more formal synonym.
The phrase reflects a historical emphasis on physical struggle and primal defense mechanisms. Its enduring use suggests a cultural appreciation for tenacity and the 'never-give-up' spirit, even in metaphorical battles.
Yes, it can! People often use it humorously to exaggerate the intensity of a minor struggle, like fighting tooth and nail over the last cookie. This playful exaggeration highlights the phrase's dramatic flair.
It means they defended their point very aggressively and determinedly. They likely used strong arguments, refused to back down, and showed a high level of passion and commitment to their viewpoint.
Yes, tooth and nail is widely understood and used in both British and American English. It's a standard idiom across the English-speaking world, without significant regional variations in meaning.
Sometimes people add unnecessary adverbs or change the verbs, like 'competed tooth and nailly'. The phrase tooth and nail functions as an adverbial phrase modifying the verb, so it should remain unchanged.
Both phrases convey fierce intensity. 'Fighting like a lion' emphasizes ferocity and power, while 'tooth and nail' emphasizes using *all* available means, often suggesting a more desperate or all-encompassing struggle.
Related Phrases
all out
synonymPutting in maximum effort.
Both phrases describe giving maximum effort, but 'tooth and nail' adds a layer of fierce, aggressive intensity.
with might and main
synonymWith all one's strength and effort.
This is an older, more formal synonym that also emphasizes using all available strength and resources in a struggle.
to the bitter end
related topicUntil the very end, regardless of the consequences.
This phrase focuses on endurance and persistence until completion, similar to the determination in 'tooth and nail', but emphasizes continuing rather than the intensity of the fight itself.
give it your all
related topicTry your hardest.
This is a general encouragement for maximum effort, less intense and combative than 'tooth and nail'.
fight like a cat on a hot tin roof
synonymTo fight furiously and energetically.
This idiom also describes a furious fight, emphasizing frantic energy and aggression, similar to the intensity of 'tooth and nail'.
pull out all the stops
synonymTo do everything possible to achieve something.
This phrase means to use every resource and method available, aligning with the comprehensive effort implied by 'tooth and nail'.
