صفة
vague [ vaguer ; vaguest ]
enigmatic [ more enigmatic ; most enigmatic ]
unclear [ unclearer/more unclear ; unclearest/most unclear ]
opaque [ more opaque ; most opaque]
shady [ shadier ; shadiest ]
inscrutable [ more inscrutable ; most inscrutable]
obscure [ more obscure ; most obscure]
dark [ darker ; darkest ]
incomprehensible [ more incomprehensible ; most incomprehensible]
doubtful [ more doubtful ; most doubtful ]
transcendental [ more transcendental ; most transcendental]
inconspicuous [ more inconspicuous ; most inconspicuous ]
mysterious [ more mysterious ; most mysterious ]
shadowy [ shadowier/more shadowy ; shadowiest/most shadowy ]
indeterminate [ more indeterminate ; most indeterminate] , {math.}
مبهم {رياضيات}
transcendent [ more transcendent ; most transcendent]
recondite [ more recondite ; most recondite ]