Unblock can be categorized as a verb.
Verb |
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unblock - make (assets) available; "release the holdings in the dictator's bank account" | ||
unblock - 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 | ||
unblock - clear or remove an obstruction from; "the procedure unblocked his arteries" |