"boomerang" in the noun sense
1. boomerang, throwing stick, throw stick
a curved piece of wood when properly thrown will return to thrower
2. backfire, boomerang
a miscalculation that recoils on its maker
"boomerang" in the verb sense
1. boomerang
return to the initial position from where it came like a boomerang
Source: WordNet® (An amazing lexical database of English)
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