alert

Quick to notice problems; a warning signal

TOEFL

Example

Scientists are on alert for early signs of volcanic activity.

Synonyms

watchfulattentivewarning

Found in

Related Words

absorbTo take in information or facts fullyTOEFLabstract thinkingThinking about concepts rather than specific instancesTOEFLacademic vocabularyThe words commonly used in academic speech and writingTOEFLaccessibleAble to be reached or used; friendly and easy to talk to.SAT · TOEFL · IELTSaccommodateTo provide lodging or space for; to adapt to or make room for.SAT · TOEFL · IELTSaccount forTo explain the reason for somethingTOEFLaccurateFree from error; exact and correctSAT · TOEFL · IELTSactivelyIn an energetic and engaged mannerTOEFL

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