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guesstimate - 2 dictionary results

guess⋅ti⋅mate

[v. ges-tuh-meyt; n. ges-tuh-mit, -meyt] verb, -mat⋅ed, -mat⋅ing, noun Informal.
–verb (used with object)
1. to estimate without substantial basis in facts or statistics.
–noun
2. an estimate arrived at by guesswork.


Origin:
1935–40, Americanism; b. guess and estimate
guess·ti·mate   (gěs'tə-mĭt)   
n.   Informal
An estimate based on conjecture.

[Blend of guess and estimate.]
guess'ti·mate' (-māt') v.
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