Nail — Meaning, Definition & Examples

Definition

1. A thin piece of metal with a sharp end for joining things.
2. The hard covering at the end of fingers and toes.
3. Fasten with nails.
4. Catch someone doing something wrong.
5. Do something perfectly.

Context Alive

The old wooden fence was falling apart after years of bad weather. The father grabbed a hammer and a handful of nails to fix it, carefully lining up each board and hammering them back into place. His son watched closely, learning how it was done.

Meanings

5 meanings

1 A Thin Piece of Metal for Joining Things (Noun) Very Common ▼

This meaning is about the small metal piece used to hold things together. Imagine building a bookshelf at home. You grab a hammer and push a nail through two pieces of wood to connect them. This is a nail — a thin metal pin with a sharp point and a flat head. You might buy a box of nails at a hardware store, or someone could step on a rusty nail and need medical attention. Or picture a carpenter with nails between his lips, pulling them out one by one as he works. The word points to something small but essential in building. ✏️ Nails come in many sizes — tiny ones for picture frames, longer ones for heavy structures like roofs and walls.

Vivid Example

The picture frame had been sitting on the floor for weeks. He finally grabbed a hammer and a single nail, tapped it into the wall at just the right height, and hung the frame perfectly straight. His wife smiled when she saw it.

2 Hard Covering on Fingers and Toes (Noun) Very Common ▼

This meaning is about the hard surface on the tips of your fingers and toes. Imagine sitting nervously in a waiting room before an exam. Without thinking, you start biting your nails, chewing at the edges out of stress. These are your nails — the hard, protective layers covering the ends of your fingers and toes. You might paint your nails before a party, or someone could break a nail while opening a jar. Or think about going to a salon to get your nails shaped and polished for a special occasion. The word covers both fingernails and toenails. ✏️ Common combinations include “nail clippers,” “nail file,” and “nail polish” — all related to nail care and grooming.

Vivid Example

She had been biting her nails all morning without realizing it. When she looked down, they were uneven and rough around the edges. She grabbed a nail file from her bag and quickly smoothed them out before the meeting.

3 Fasten Something with Nails (Verb) Very Common ▼

This meaning is about using nails to attach or fix something. Imagine moving into a new flat and wanting to hang photos on the walls. You grab a hammer and nail each frame into place, one by one. This is nailing — using nails to fasten something to a surface. You might nail a sign to a tree, or workers could nail floorboards down during a renovation. Or picture someone nailing a broken fence back together after a storm. The word suggests a strong, permanent fix. ✏️ “Nail it shut” means closing something permanently — like nailing a crate shut before shipping it.

Vivid Example

The wind had ripped a board off the garden shed overnight. He grabbed his toolbox and carefully nailed the board back into position, making sure it was secure. The shed looked as good as new by the time he finished.

4 Catch Someone Doing Something Wrong (Verb) Common ▼

This meaning is about catching someone who has done something bad. Imagine the police investigating a theft for months. They finally nail the suspect when cameras capture him leaving with stolen goods. This is nailing someone — catching them with clear proof. You might hear “they nailed him for tax fraud” or “the teacher nailed the students who were cheating.” Or think about a company nailing an employee who had been stealing from the warehouse for years. The word carries a sense of justice and finality. ✏️ Once someone is “nailed,” there’s no escape — the evidence is clear and they can’t deny it.

Vivid Example

The detective had been tracking the suspect for weeks without enough proof. Then a witness came forward, and the police finally nailed him with clear evidence linking him to the robbery. He was arrested that same evening.

5 Do Something Perfectly (Verb) Common ▼

This meaning is about doing something extremely well. Imagine a singer performing at an audition. She walks on stage, takes a deep breath, and absolutely nails her performance, hitting every note perfectly. This is nailing something — getting it exactly right. You might say “she nailed the presentation” or someone could tell you “you totally nailed that exam.” Or picture a gymnast who nails her landing after a difficult jump, not moving a single step. The word carries excitement and admiration. ✏️ “You nailed it!” is one of the most common ways to congratulate someone on doing something perfectly.

Vivid Example

The student had practised his speech dozens of times at home. When he finally stood in front of the class, he nailed every line without hesitation, keeping the audience engaged from start to finish. His teacher gave him the highest mark.

Examples from the Street

“She absolutely nailed that presentation — everyone was blown away.”

She did an incredible job with that talk — the whole room was deeply impressed

“I broke a nail opening the tin and it really stings.”

I cracked a fingernail while prying open the can and it’s actually quite painful

“The police finally nailed him after a two-year investigation.”

The officers eventually caught and charged him following two years of detective work

Common Patterns

hammer a nail into [something] → drive a metal pin into a surface

a nail in the wall/wood/board → a metal pin fixed into a surface

pull out / remove a nail → take a metal pin out of a surface

rusty/bent nail → an old or damaged metal pin

break/chip a nail → crack or damage a fingernail

bite your nails → chew on your fingernails (nervous habit)

paint/do your nails → apply colour or have a manicure

nail polish/varnish → the coloured coating applied to nails

nail salon → a shop where you get professional nail care

nail it → do something perfectly; succeed brilliantly

nail a presentation/interview/exam → perform brilliantly in a specific situation

nail the landing/shot/performance → execute something with perfect precision

absolutely/totally nailed it → emphatic way of saying someone did an amazing job

nail someone (for something) → catch or punish someone for doing something wrong

nail the problem/cause/reason → identify or pinpoint something exactly

hard to nail → difficult to catch, identify, or define precisely

Collocations

4 collocations

nail it

execute something perfectly

hit the nail on the head

describe something exactly right

nail down the details

finalize the specific points

nail-biting

causing extreme anxiety or tension

Example Sentences

12 examples

1

He hammered a nail into the wall and hung the painting above the fireplace

He drove a metal pin into the surface and put the framed picture up over the mantelpiece.

2

I stepped on a rusty nail at the building site and had to get a tetanus shot

I stood on an old corroded metal pin at the construction area and needed an injection to prevent infection.

3

She broke a nail trying to open the car door and was furious about it

She cracked a fingertip while struggling with the vehicle handle and was absolutely livid.

4

He’s been biting his nails constantly — I think the exam stress is really getting to him

He’s been chewing on his fingers non-stop — I reckon the pressure from the upcoming test is seriously affecting him.

5

She spent Sunday afternoon painting her nails and watching old films on the sofa

She used her free time on the last day of the weekend applying colour to her fingertips and enjoying classic movies from the couch.

6

You absolutely nailed it — that was the best speech I’ve heard all year

You did a flawless job — that was the finest talk I’ve listened to in the last twelve months.

7

She practised for weeks and finally nailed the audition for the lead role

She rehearsed for weeks and eventually performed perfectly at the tryout for the main part.

8

The gymnast nailed the landing and the crowd went absolutely wild

The athlete executed a flawless finish on the dismount and the spectators erupted with excitement.

9

The tax authorities nailed him for three years of undeclared income

The revenue officials caught and penalised him for thirty-six months’ worth of earnings he’d hidden from them.

10

The exact cause of the problem is hard to nail — it could be software, hardware, or both

The precise reason for the issue is extremely difficult to pinpoint — it might be the programmes, the physical equipment, or a combination.

Learner Examples

★

After months of practising, the student finally nailed the pronunciation of “th” — and the look of pride on her face was priceless

After weeks and weeks of repetition, the learner finally mastered that tricky sound — and the expression of pure satisfaction she wore was absolutely wonderful to see.

★

The hardest part of teaching grammar is nailing the problem — sometimes a student makes a mistake but you can’t immediately identify the rule they’ve misunderstood

The toughest aspect of instructing language structures is pinpointing exactly what went wrong — occasionally a learner gets something incorrect but you can’t instantly figure out which principle they’ve confused.

Phrasal Verbs & Idioms

4 items

Phrasal Verbs

nail down — finalize or settle something

We need to nail down the details before Friday.

nail up — fasten something with nails

He nailed up a few shelves in the garage.

Idioms & Expressions

hit the nail on the head — say exactly the right thing

You hit the nail on the head with that comment.

nail in the coffin — action that causes failure

Missing the deadline was the final nail in the coffin.

Synonyms & Antonyms

6 items

Synonyms

hit the mark

verb, get it exactly right

ace

verb, do perfectly

noun, fastener

tack

noun, small nail

Antonyms

miss

verb, fail to get right

botch

verb, do badly