English Lexicon

Oscillating

/ˈɒs.ɪ.leɪ.tɪŋ/
adjectiveCEFR B2 (Upper)Top #4500 frequency
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Comprehensive Definitions & Senses

2 senses
As adjective
  1. 1

    Moving back and forth in a regular rhythm; swinging or vibrating.

    "The oscillating fan provided a cool breeze across the entire room."
  2. 2

    Fluctuating continually between different opinions, values, or states.

    "Her oscillating emotions made it difficult to predict how she would react."

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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Derived from the Latin verb 'oscillare', meaning to swing, which comes from 'oscillum', a small mask hung in trees during festival rites. Entering scientific and literary usage in the 18th century, it expanded from describing physical swinging movements to represent any cyclical fluctuation or vacillation between states.

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