A backraise happens in a game where there is a re-raise made by a poker player who had earlier limped in a single betting round. The player can make a statement which reflects the above in this way "In order to isolate my all-in opponent, I had to backraise using all my pocket eights." The term is usually attached to a move that shows a match for match kind of betting which does not allow an opponent the advantage having the edge in amount of wagers.
To backraise your opponent's raise is a counter measure as well as a means of elevating your bet to the level of the other player's first raise. "I made some backraises that kept me in the game until the last round where I routed the current champion." The above statement shows that a backraise can be a useful tool for a poker player who is highly experienced as to challenge a reigning winner of the game.