sharpen

verb

sharp·​en ˈshär-pən 

sharpened; sharpening ˈshär-pə-niŋ 

ˈshärp-niŋ

transitive verb

: to make sharp or sharper

especially : hone

intransitive verb

: to become sharp or sharper

sharpener

ˈshär-pə-nər 

ˈshärp-nər

noun

Synonyms of sharpen

• grind
• hone
• whet
• stone

Examples of sharpen in a Sentence

Can you sharpen the image?

The lecture sharpened my understanding of the topic.

The outlines of the mountains sharpened as we got closer.

Recent Examples on the Web

By evening, the Moon enters your 1st House of Self, sharpening courage, attraction, and initiative. —Tarot.com, The Orlando Sentinel, 12 May 2026

The system was meant to sharpen performance. —Ruth Umoh, Fortune, 11 May 2026

The Pisces Moon sharpens intuition and helps subtle signals make sense. —Tarot.com, New York Daily News, 10 May 2026

The gel formula swipes onto the lids without any skipping or tugging, giving you ample time to smudge, sculpt, or sharpen the line before the brand’s patented PermaLock Technology sets it into a waterproof, transfer-proof, and smudge-proof finish. —Jailynn Taylor, Allure, 10 May 2026

Word History

First Known Use

15th century, in the meaning defined at transitive sense

Phrases Containing sharpen

• sharpen up

Rhymes for sharpen

• tarpon
• pilocarpine

Kids Definition

sharpen

verb

sharp·​en ˈshär-pən 

sharpened; sharpening ˈshärp-(ə-)niŋ 

1

: to make or become sharp or sharper

sharpen a pencil

a better lens sharpened the image

pain that suddenly sharpened

2

: improve

sharpen one's skills

sharpener

ˈshärp-(ə-)nər 

noun