ISEE/SSAT Vocabulary Builder›Words›E›erratic
ISEE/SSAThard
erratic
not consistent or predictable; irregular
Synonyms
- volatile
- irregular
- inconsistent
Antonyms
- steady
- consistent
erratic in a sentence
The old car's erratic engine sputtered and roared without warning.
The patient's erratic heartbeat worried the doctors monitoring the screen.
Where it comes from
From Latin errare 'to wander'
Memory hook
ERR-atic — full of ERRors, wandering off in random directions.
Read it in context
- The Speaking Ground Arts