[verb ges-tuh-meyt; noun ges-tuh-mit, -meyt]Informal.
- to estimate without substantial basis in facts or statistics.
- an estimate arrived at by guesswork.
Origin of guesstimate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Related Words for guesstimateessentially, nearly, basically, practically, thought, opinion, conjecture, belief, presumption, hunch, hypothesis, thesis, guesswork, supposition, inference, guess, evaluation, projection, assessment, measure
- an estimate calculated mainly or only by guesswork
- to form a guesstimate of
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