American Dictionary

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Definition oscillate in American English

oscillate verb

[intransitive] verb
/ˈɑsɪˌleɪt/
1

to move continuously from side to side at a steady speed around a central point

Synonyms and related words
1.1

to change frequently in size, strength, or direction between limits

Synonyms and related words
2

to continuously change your feelings, opinions, or decisions from one extreme position to the other

Example

He oscillated between happiness and despair.

Synonyms and related words
Definition oscillate in American English