vigilant

/ˈvɪdʒɪl(ə)nt/adjective

Staying alert and watchful for any danger or trouble.

Example sentence

“Security staff remained vigilant throughout the event.”

Usually follows 'remain' or 'stay' in official warnings: 'the public should remain vigilant'.

Featured as word of the day on July 30, 2026.

Related words

villaA large, usually expensive house by the sea or in the countryside, often used as a holiday home.victoryThe state of having beaten an opponent in a battle or contest, or having succeeded at something; also, a particular win.vineA climbing plant on which grapes grow.vexTo annoy or trouble someone.virusAn illness caused by an infectious viral agent.verdantCovered in fresh green plants; richly green.