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check verb

ADV. always, daily, regularly Always check that the electricity is switched off before you start. Check the engine oil level regularly. | carefully, thoroughly

VERB + CHECK had better, must, need to, should We had better check that all the doors are locked.

PREP. against I'll need to check these figures against last year's. | for Check the roof for loose slates. | with I checked with her to see if she needed any help.

PHRASES be worth checking It's worth checking that there is no rust on the car. | check to see if/whether He was just checking to see if I was in my room.