Meaning & use
vigilant
Keeping careful and continuous watch for possible danger or problems.
See it in a sentence
Airport security remained vigilant throughout the busy holiday travel season.
Parents must stay vigilant when young children are playing near water.
A note on using this word
Vigilant implies sustained, active attention, stronger than simply being 'aware' of a situation.
Words with a similar meaning
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Words with an opposite meaning
carelessinattentive
Make it your own
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