· clear or remove an obstruction from; "the procedure unblocked his arteries"
Hypernym(s): unstuff, loosen_up
· play the cards of (a suit) so that the last trick on which a hand can follow suit will be taken by a higher card in the hand of a partner who has the remaining cards of a combined holding
Hypernym(s): play
· make (assets) available; "release the holdings in the dictator's bank account"
Synonym(s): unfreeze, free, release
Antonym(s): block