Q

quailing culprit

quaint peculiarities

qualifying service

quavering voice

queer tolerance

quenchless despair

querulous disposition [querulous = habitually complaining]

questionable data

questioning gaze

quibbling speech

quick sensibility

quiescent melancholy

quiet cynicism

quivering excitement

quixotic impulse

quizzical expression

quondam foe [quondam = former]