- 1[often passive] deck somebody/something (out) (in/with something) to decorate someone or something with something The room was decked out in flowers and balloons.
- 2deck somebody (informal) to hit someone very hard so that they fall to the ground
NAmE//dɛk//Verb Forms present simple I / you / we / they deck
he / she / it decks
past simple decked
-ing form decking