perverse (adj.)
- aberrant
- abroad
- adamant
- adrift
- adversative
- adverse
- alien
- amiss
- antagonistic
- anti
- antipathetic
- antithetic
- antonymous
- askew
- awkward
- awry
- bad-tempered
- balancing
- balky
- bearish
- bilious
- bitchy
- breakaway
- bulky
- cantankerous
- captious
- churlish
- clashing
- clumsy
- competitive
- conflicting
- contentious
- contradictory
- contrarious
- contrary
- converse
- corrupt
- counter
- counteractive
- counterpoised
- crabbed
- crabby
- cranky
- cross
- cross-grained
- crosswise
- crotchety
- crusty
- cumbersome
- cussed
- deceptive
- defective
- degenerate
- delusive
- depraved
- deviant
- difficult
- disagreeable
- discordant
- discrepant
- dissentient
- dissident
- distorted
- errant
- erring
- erroneous
- excitable
- fallacious
- false
- faulty
- feisty
- flawed
- fractious
- froward
- grouchy
- headstrong
- heretical
- heterodox
- hostile
- huffish
- huffy
- hulking
- hulky
- ill-tempered
- illogical
- illusory
- impractical
- improper
- inconsistent
- inconvenient
- incorrect
- inflexible
- inimical
- intractable
- inverse
- irascible
- irregular
- irritable
- mean
- mulish
- nefarious
- negative
- nonconformist
- obdurate
- obstinate
- obstreperous
- off
- opponent
- opposed
- opposing
- opposite
- oppositive
- ornery
- out
- peccant
- peevish
- pertinacious
- perverted
- petulant
- pigheaded
- ponderous
- putrid
- quarrelsome
- reactionary
- recalcitrant
- refractory
- repugnant
- resistant
- restive
- reverse
- revolutionary
- rotten
- self-contradictory
- self-willed
- snappish
- spiteful
- splenetic
- stiff-necked
- straying
- stubborn
- stuffy
- sulky
- sullen
- surly
- testy
- touchy
- ugly
- unbending
- uncooperative
- unfair
- unfavorable
- unfriendly
- unhealthy
- unmanageable
- unorthodox
- unpropitious
- unproved
- unreasonable
- untrue
- unwieldy
- unyielding
- villainous
- waspish
- wayward
- wide
- wrong
- wrongheaded