EN

Synonyms for keen

Most common

astute sharp shrewd clever eager ardent great cutting

Synonyms by meaning

Adjective

1. Astute — acute of mind, having or expressing mental acuteness; penetrating, sharp

astute, sharp, shrewd, clever, smart, quick, acute, intense, penetrating, sagacious formal, sharp-witted, clear, brilliant, perceptive, sharp-sighted, piquant, talented, active, wise, discerning, intelligent, perspicacious

2. Eager — often with a prepositional phrase, or with to and an infinitive, showing a quick and ardent responsiveness or…

eager, ardent, enthusiastic, avid, excited, zealous, fervent, prompt, earnest, vehement, warm, raring, fervid, hot on informal, hearty, fain dated

3. Neat

great, gurt UK, not bad, fine, neat, peachy, old, bang-up informal, dandy, slap-up informal, cracking, groovy, swell, smashing, corking, nifty informal dated

4. Cutting — acrimonious, bitter, piercing

cutting, piercing, biting

Definitions

  1. adj. 1

    Often with a prepositional phrase, or with to and an infinitive: showing a quick and ardent responsiveness or willingness; eager, enthusiastic, interested.

    She’s keen to learn another language.

  2. adj. 2

    Acute of mind, having or expressing mental acuteness; penetrating, sharp.

  3. adj. 3

    Acrimonious, bitter, piercing.

  4. adj. 4

    Fierce, intense, vehement.

    This boy has a keen appetite.

Related words

Word family
keenly keenness keen-witted keener

Choose the right word

Keen, Acute, Astute, Cunning or Sagacious?

Acute, from the Latin, suggests the sharpness of the needle's point; keen, from the Saxon, the sharpness of the cutting edge. Astute, from the Latin, with the original sense of cunning has come to have a meaning that combines the sense of acute or keen with that of sagacious.

J. C. Fernald, English Synonyms and Antonyms (1914)

Example sentences

  • intense She was as intense in her hatreds as in her loves.
  • clever The dog was so clever that he seemed almost human.
  • shrewd I know that Tom is a very shrewd businessman.
  • astute Tom was an astute businessman who made a lot of money.
  • eager Tom said that he was eager to eat lunch with Mary.
  • ardent He went abroad in opposition to her ardent wishes.

Popularity over time

Word1850 → 2019Trend
keenrising
intenserising
cleverrising
shrewdsteady
astuterising
eagerrising

Use in printed books, per decade from 1850 to 2019.

By length

3 letters
old1
4 letters
fine1, warm1, wise1, neat1, avid2, fain1, gurt
5 letters
great1, clear1, quick1, smart1, sharp1, acute2, eager2, swell1, dandy2, nifty2
6 letters
active2, clever2, prompt1, biting2, hearty2, ardent2, astute2, shrewd1, groovy2, peachy2, raring, fervid2
7 letters
excited3, cutting2, intense2, earnest2, zealous2, fervent2, piquant2, corking2
8 letters
talented3, cracking2, smashing2, piercing2, vehement3
9 letters
brilliant2, exquisite3, sagacious
10 letters
perceptive3, discerning3
11 letters
intelligent4, penetrating4
12 letters
enthusiastic5
13 letters
perspicacious4

The small number after each word is its number of syllables (avid2 = 2 syllables).

In other languages

Français
pressé
Italiano
pressato
Deutsch
eilig