Definition of "guesstimated" [guesstimated]

• Simple past tense and past participle of guesstimate. (verb)

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• "Anyway I added rolled oats to that and then kind of guesstimated how much water based on all of the different grains involved."
• "Of course, we have to guess a tremendous lot and to use subjective judgment, but RCO combines "guesstimated" knowledge about the future with subjectivity in a sensible manner."
• "During last year's primaries I said that mandates wouldn't provide "universal coverage," contrary to expert opinion, and "guesstimated" that such a plan would still leave 8 million uninsured."