EN

Synonyms for erratic

Most common

mercurial eccentric fickle unstable

All synonyms

Adjective

Definitions

  1. adj. 1

    Unsteady, random; prone to unexpected changes; not consistent.

    Henry has been getting erratic scores on his tests: 40% last week, but 98% this week.

Related words

Word family
erratically

Choose the right word

Erratic or Eccentric?

Erratic signifies wandering, a stronger and more censorious term than eccentric.

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

Example sentences

  • unstable Back in the 1990s, Algeria was incredibly unstable.
  • eccentric Prof. Smith is famous for his eccentric life style.
  • fickle Women are very fickle. Trusting them is foolish.
  • temperamental Do people ever accuse you of being temperamental?

Popularity over time

Word1850 → 2019Trend
erraticfalling
unstablesteady
eccentricsteady
ficklerising
mercurialsteady
temperamentalsteady

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

By length

3 letters
odd1
6 letters
fickle2, fitful2
7 letters
strange1, flighty2
8 letters
unstable3, volatile3, abnormal3, unsteady3, aberrant3, freakish
9 letters
wandering3, irregular4, eccentric3, unsettled3, anomalous4, mercurial4, desultory4
10 letters
unreliable5, changeable3, capricious3
12 letters
undependable
13 letters
temperamental4

The small number after each word is its number of syllables (fickle2 = 2 syllables).

In other languages

Français
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