underpromise
Verb
Meaning
underpromise (third-person singular simple present underpromises, present participle underpromising, simple past and past participle underpromised)
(intransitive) To promise less than one expects to do.
Verb
underpromise (third-person singular simple present underpromises, present participle underpromising, simple past and past participle underpromised)
(intransitive) To promise less than one expects to do.