freakish (adj.)
- abnormal
- adrift
- afloat
- alternating
- amorphous
- anomalous
- arbitrary
- baroque
- bizarre
- capricious
- changeable
- changeful
- crank
- cranky
- crotchety
- deformed
- desultory
- deviant
- different
- divergent
- dizzy
- dotty
- eccentric
- erratic
- exceptional
- fanciful
- fantastic
- fey
- fickle
- fitful
- flaky
- flickering
- flighty
- fluctuating
- funny
- giddy
- grotesque
- harebrained
- idiosyncratic
- impetuous
- impulsive
- inconsistent
- inconstant
- indecisive
- infirm
- irregular
- irresolute
- irresponsible
- kinky
- kooky
- maggoty
- malformed
- mazy
- mercurial
- misbegotten
- misshapen
- monstrous
- moody
- motiveless
- notional
- nutty
- odd
- peculiar
- petulant
- queer
- quirky
- rambling
- restless
- rococo
- roving
- scatterbrained
- screwball
- screwy
- shapeless
- shifting
- shifty
- singular
- spasmodic
- spineless
- strange
- temperamental
- teratogenic
- twisted
- unaccountable
- uncertain
- uncontrolled
- unconventional
- undependable
- undisciplined
- unfixed
- unnatural
- unpredictable
- unreasonable
- unreliable
- unrestrained
- unsettled
- unstable
- unsteady
- vacillating
- vagrant
- variable
- volatile
- wacky
- wandering
- wanton
- wavering
- wavy
- wayward
- whimsical
- wishy-washy
His head,
Not yet by time completely silver'd o'er,
Bespoke him past the bounds of freakish youth,
But strong for service still, and unimpair'd.
