(~s, ~ing, ~ed)
1.
A ~ is a curved piece of wood which comes back to you if you throw it in the correct way. Boomerangs were first used by the people who were living in Australia when Europeans arrived there.
N-COUNT
2.
If a plan ~s, its result is not the one that was intended and is harmful to the person who made the plan.
The trick ~ed, though...
He risks defeat in the referendum which he called, but which threatens to ~ against him.
= backfire
VERB: V, V on/against n