UNDERPLAY
underplay
(verb) play a card lower than (a held high card)
underact, underplay
(verb) act (a role) with great restraint
Source: WordNet® 3.1
Etymology
Noun
underplay
The act of underplaying.
Verb
underplay (third-person singular simple present underplays, present participle underplaying, simple past and past participle underplayed)
(transitive) To play in a subordinate, or in an inferior manner; to underact a part.
(transitive) To make something seem less important than it really is.
(transitive, card games) To play a low card when holding a high one, in the hope of a future advantage.
Source: Wiktionary
Un`der*play", v. i.
1. To play in a subordinate, or in an inferior manner; to underact a
part.
2. (Card Playing)
Definition: To play a low card when holding a high one, in the hope of a
future advantage.
Un"der*play`, n. (Card Playing)
Definition: The act of underplaying.
Source: Webster’s Unabridged Dictionary 1913 Edition