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a. often trumps A suit in card games that outranks all other suits for the duration of a hand.
b. A card of such a suit.
c. A trump card.
2. A key resource to be used at an opportune moment.
3. Informal A reliable or admirable person.
v. trumped, trump·ing, trumps
1. Games To take (a card or trick) with a trump.
2. To get the better of (an adversary or competitor, for example) by using a crucial, often hidden resource.
v.intr. GamesPhrasal Verb:
To play a trump.
To devise fraudulently: trumped up a charge of conspiracy.
[Alteration of triumph.]
[Middle English trompe, from Old French; see trumpet.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. (Card Games) (sometimes singular) cards any one of the four suits, decided by cutting or bidding, that outranks all the other suits for the duration of a deal or game
2. turn up trumps (of a person) to bring about a happy or successful conclusion (to an event, problem, etc), esp unexpectedly
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014