n.
1.a message expressing an opinion based on incomplete evidence
2.an estimate based on little or no information guess v.
1.expect, believe, or suppose
2.put forward, of a guess, in spite of possible refutation
3.judge tentatively or form an estimate of (quantities or time)
4.guess correctly
Idiom of the Day
at fault
to be responsible for something, to be to blame for something
The truck driver was at fault for the terrible accident.