English

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Etymology

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From Middle English waccheful, equivalent to watch +‎ -ful. Compare West Frisian waaks (watchful), Dutch waaks, waakzaam (watchful), German wachsam (watchful), Swedish vaksam (watchful).

Pronunciation

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Adjective

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watchful (comparative more watchful, superlative most watchful)

  1. Fully observant, vigilant, or aware.
    The teacher kept a watchful eye on her pupils during the school trip.

Derived terms

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Translations

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