- to remove a block or obstruction from: to unblock a channel; to unblock a person's credit.
- Bridge. to play (a suit) so that the last card of the suit in one hand can provide access to the hand of the partnership having the longer holding in the suit.
Origin of unblock
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for unblock
Still, subreddit moderators are free to block and unblock whatever they wish (remember, Holy Roman Empire).Why Gawker Should Lose Its War With Reddit
October 18, 2012
Mr. Clifford implored the man, almost with tears, to unblock the wall and allow them to go down to the Makalanga.Benita, An African Romance
H. Rider Haggard
- to remove a blockage from (a pipe, etc)