underguess

== English == === Etymology === From under- +‎ guess. === Pronunciation === === Verb === underguess (third-person singular simple present underguesses, present participle underguessing, simple past and past participle underguessed) To make a guess that is too small; to underestimate. Synonyms: underapproximate, underreckon; see also Thesaurus:underestimate Antonyms: overapproximate, overthink; see also Thesaurus:overestimate