Synonyms for fallible

Most common

faulty · defective · imperfect · frail · error-prone · errant

All synonyms

Adjective

Antonyms

infallible, perfect, unerring

All antonyms of fallible →

Definitions

1. adj. 1

   Capable of making mistakes or being wrong.

   Even the best doctors are fallible.

Related words

Word family

fallacious fallacy fallibility

Example sentences

• faulty Your analysis is predicated on faulty assumptions.
• defective They checked to see if the machine was defective.
• imperfect As we are all imperfect human beings, so is life as well.
• frail Don't embrace me in such a manner. I'm so frail!
• errant He made the decision to become a knight-errant.

Popularity over time

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

By length

4 letters

weak¹

5 letters

human², frail¹

6 letters

faulty², errant²

7 letters

errable

8 letters

faultful

9 letters

defective³, imperfect³

The small number after each word is its number of syllables (human² = 2 syllables).