crotchety (adj.)
- abnormal
- anomalous
- antagonistic
- antipathetic
- arbitrary
- bearish
- breakaway
- capricious
- clashing
- conflicting
- contradictory
- counteractive
- crank
- cranky
- cross-grained
- deviant
- different
- dissident
- divergent
- dotty
- eccentric
- erratic
- exceptional
- fanciful
- fantastic
- fey
- flaky
- freakish
- funny
- harebrained
- hostile
- idiosyncratic
- inimical
- irregular
- kinky
- kooky
- maggoty
- moody
- motiveless
- nonconformist
- notional
- nutty
- odd
- opposing
- ornery
- peculiar
- perverse
- petulant
- queer
- quirky
- reactionary
- recalcitrant
- repugnant
- resistant
- revolutionary
- screwball
- screwy
- singular
- strange
- temperamental
- twisted
- unconventional
- unnatural
- unreasonable
- unrestrained
- vagrant
- vinegarish
- vinegary
- wacky
- wanton
- waspish
- wayward
- whimsical