make sure

1. Make certain, establish something without doubt, as in Make sure all the doors are locked . It is also put as make sure of , as in Before you make that speech, make sure of your facts . This usage was first recorded in 1565.

2. make sure of . Act so as to be certain of something, as in He wanted to make sure of his own district before seeking support elsewhere . This usage was first recorded in 1673.

Related Words

• analyze
• confirm
• correct
• find out
• go through
• investigate
• look at
• monitor
• probe
• review
• scrutinize
• study
• test
• try
• verify