n.
Function: noun
Date: 1736
1 a : a smart or resounding blow also : the sound of or as if of such a blow b : a critical attack
2 : PORTION , SHARE
3 : CONDITION , STATE
4 a : an opportunity or attempt to do something <take a whack at it> b : a single action or occasion <borrowed $50 all at one whack >
– out of whack
1 : out of proper order or shape <threw his knee out of whack >
2 : not in accord <feeling out of whack with her contemporaries ― S. E. Rubin>