Meaning & use

sharpen

verb·Everyday

Last updated

UK/ˈʃɑː.pən/
US/ˈʃɑːr.pən/

Meanings

  1. verbtransitive

    To make a blade, tool, or point have a fine edge or a sharp tip.

    Grammar: Takes an object: sharpen the knife.

    Patterns

    • sharpen something
    • sharpen something with something

    I need to sharpen my kitchen knives; they can barely cut through a tomato.

    He sharpened the pencil with a small pocket knife.

    The gardener sharpened the shears before trimming the hedge.

  2. verbtransitive

    To make a skill, sense, or mental ability stronger or more effective.

    Grammar: Often used with abstract nouns like skills, mind, or senses.

    Patterns

    • sharpen something
    • sharpen your skills
    • sharpen your mind

    Playing chess regularly can sharpen your problem-solving skills.

    The training course helped sharpen her ability to spot errors quickly.

    Reading in a foreign language sharpens your understanding of grammar.

  3. verbintransitive

    To become sharper or more intense.

    Grammar: No object; often used for feelings or differences that increase.

    Patterns

    • something sharpens
    • sharpen into something

    The debate sharpened as the two candidates disagreed on taxes.

    Her appetite sharpened after the long walk.

    The wind sharpened as evening came on.

Word forms

third person singularsharpens
past tensesharpened
past participlesharpened
-ing formsharpening

Common combinations

sharpen a knife
You should sharpen a knife before you use it on tough meat.
sharpen your skills
She took an online course to sharpen her skills in data analysis.
sharpen your focus
A short break can help sharpen your focus for the afternoon.
sharpen a pencil
The child asked the teacher to sharpen a pencil for him.
sharpen the contrast
The new policy sharpened the contrast between the two parties.

Synonyms and how they differ

hone
Hone is more specific to making a blade extremely sharp, often with a fine stone; sharpen is the general word for any edge or point.
whet
Whet is mostly used for sharpening a blade or, figuratively, increasing appetite or curiosity; it is more literary than sharpen.
grind
Grind means to shape or sharpen by rubbing on a rough surface, often a wheel; sharpen is the result, not the method.

Opposites

Word family

sharpener noun
A device or tool used for sharpening, such as a pencil sharpener.
sharp adjective
Having a fine edge or point; also quick to notice or understand.
sharply adverb
In a sharp manner; suddenly or severely.
sharpness noun
The quality of being sharp, either physically or mentally.

Commonly confused: sharpen or sharpen vs. sharp?

sharpen vs sharpen vs. sharp

Sharp is an adjective (a sharp knife); sharpen is the verb (to sharpen a knife).

Practice

Choose the correct sentence:

Make it your own

Write a sentence using “sharpen”, then check it and compare it with the examples above.

Your sentence stays on this page and is not sent anywhere.

Explore more words