watch out

watch + out

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watch out (third-person singular simple present watches out, present participle watching out, simple past and past participle watched out)

1. (idiomatic) To be aware or conscious; to look closely or carefully; to use caution. Often used in the imperative.

   Watch out for low doorways, so you don’t hit your head.

   • 2017, BioWare, Mass Effect: Andromeda (Science Fiction), Redwood City: Electronic Arts, →OCLC, PC, scene: Fresh start:

     Being exiled from the Nexus was a huge shock, I still can't believe Tann did that. But at least Sloane's watching out for us and giving us whatever land we want. We hope to make a life out here and we've got our very own lakeside property with a view.

• to beware
• to get away
• to heed
• to mind

• watchout (noun)

watch out!

1. Used to warn someone of an imminent danger.

• beware, look out

• outwatch