Adjektive
vexed [ more vexed ; most vexed ]
complex [ more complex ; most complex]
ambiguous [ more ambiguous ; most ambiguous]
abstruse [ abstruser/more abstruse ; abstrusest/most abstruse ]
intricate [ more intricate ; most intricate ]
abstract [ more abstract ; most abstract]
cryptic [ more cryptic ; most cryptic]
enigmatic [ more enigmatic ; most enigmatic]
incomprehensible [ more incomprehensible ; most incomprehensible]
indistinct [ more indistinct ; most indistinct]
obscure [ more obscure ; most obscure]
uncertain [ more uncertain ; most uncertain]
unclear [ unclearer/more unclear ; unclearest/most unclear]
vague [ vaguer ; vaguest]