clue in

1. Also, clue up. Give someone guiding information, as in It's time someone clued us in on what's happening, or I hope they clue us up soon. This expression, which uses the verb clue in the sense of “inform,” is sometimes put simply as clue (as in I'll clue you—this isn't going to work). [Colloquial; mid-1900s] Also see not have a clue.

Example Sentences

We matched visual clues in the pictures of the tents - including a bend in the road alongside the grassy area where they were pitched - to a location on Google streetview.

From BBC

Authorities say they have no clues in the Sacramento pair’s disappearance, and loved ones have been left wondering and searching.

From Los Angeles Times

It was clues in the bones that led scientists at NHM to conclude the creature was a new species.

From BBC

We thought it was an interesting way of making it a key clue in the show, but that also tied into where they were and what they don’t have.

From Los Angeles Times

The findings could provide vital clues in understanding how climate change is affecting Antarctica today.

From BBC

Related Words

• address 
• advise 
• alert 
• caution 
• hint 
• inform 
• instruct 
• notify 
• order 
• predict 
• prepare 
• prompt 
• recommend 
• remind 
• signal 
• suggest 
• summon 
• tell 
• threaten 
• urge