underguessing

Verb

underguess (third-person singular simple present underguesses, present participle underguessing, simple past and past participle underguessed)

1. To make a guess that is too small; to underestimate.
   • Those diners were left to guess, or rather to underguess by an average 600 calories per meal.2007 October 27, “Bringing Calories Out of Hiding”, in New York Times

   Synonyms:

   underapproximate, underreckon, misunderestimate, sell short, underestimate, underjudge, underrate, understate

   Antonyms:

   overapproximate, overthink, overestimate, overhold, overrate, overreckon, overstate