underpromote

== English == === Etymology === From under- +‎ promote. === Pronunciation === === Verb === underpromote (third-person singular simple present underpromotes, present participle underpromoting, simple past and past participle underpromoted) (transitive) To promote inadequately. (chess, transitive) To promote (a pawn that has crossed the board) to a less powerful piece than a queen, which is sometimes strategically useful.