Dictionary

killerly en · ADJ

Etymology

From killer + -ly.

Meanings

1. (colloquial) Excellently.
   • After I'd outlined seven action steps to winning Nationals (practice like mortals, write a killer routine, fund-raise the application fee, get Coach Gertie to send in the forms, create team unity, get entire team focused on winning, perform a killerly perfect routine to wow the judges), I really got into the swing of the ugliest talking todo list. 2011, Kelly McClymer, She's a Witch Girl:

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