erraticadjective
uk/ɪˈræt.ɪk/us/ɪˈræt̬.ɪk/moving or behaving in a way that is not regular, certain, or expected:
He drove in an erratic course down the road.
She can be very erratic; one day she is friendly and the next she'll hardly speak to you.
Thesaurus: synonyms and related words
Frequency & regularity - general words
- (as) regular as clockwork idiom
- clockwork
- fitful
- frequency
- frequent
- frequently
- incidence
- irregular
- many
- many a time idiom
- many's the idiom
- more
- more often than not idiom 1
- on and off idiom
- on-again, off-again
- on-off
- periodic
- periodically
- regular
- religiously
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erratically
adverb uk/ɪˈræt.ɪ.kəl.i/us/ɪˈræt̬.ɪ.kəl.i/
In her study, books were arranged erratically on chairs, tables, and shelves.
The machine is working erratically - there must be a loose connection.