to try to give an answer or form an opinion without having all the facts or being sure it is correct
Can you guess how many sweets are in the jar?
After looking at the map, he guessed the village was about ten kilometers away.
✦ From Middle English gessen, probably from Old Norse geta “to get, guess”.
an answer or estimate you make without being sure if it is correct
Take a guess: how old do you think the castle is?
His first guess was wrong, but the second one was right.
to think or suppose something is probably true, often to sound unsure or polite
I guess you're right; we should leave earlier.
She guessed it was going to rain, so she grabbed her umbrella.
the activity or process of guessing something without sufficient information, facts, or evidence.
Solving the mystery required solid clues, not just guesswork.
Her estimate of the cost was pure guesswork since she hadn't seen the plans.
✦ Mid-19th century: formed from guess + work, referring to work based on guessing.
