0 an advantage that makes you more likely to succeed than other people, especially something that other people do not know about: --
Anthea was about to play her trump card - without her signature none of the money could be released.
1 something that gives you an advantage over others: --
The ultimate trump card for the space program is that it is a very exciting thing.
NIEUWE WOORDEN
European
May 10, 2021
WOORD VAN DE DAG
Shimmer
trump card