acid, acidulant, belittling, bread-and-butter pickle, chokecherry, comedown, contempt, crab apple, decrial, depreciation, derogation, detraction, dill pickle, disapproval, discrediting, disgrace, disparagement, faint praise, green apple, indignity, knocking, lemon, lime, lukewarm support, minimizing, pickle, putting down, slighting, sour, sour balls, sour cream, sour pickle, sourdough, verjuice, vinegar, yogurt
pretext, pretense, pretension, plea, allegation, advocation, ostensible motive, ostensible ground, ostensible reason, phony reason, excuse, subterfuge, color, gloss, guise, cover, loop hole, starting hole, how to creep out of, salvo, come off, way of escape, handle, peg to hang on, room locus standi, stalking-horse, cheval de bataille, cue, pretense, put off, dust thrown in the eyes, blind, moonshine, mere pretext, shallow pretext, lame excuse, lame apology, tub to a whale, false plea, sour grapes
, makeshift, shift, white lie, special pleading, soft sawder, ostensibly, alleged, apologetic, pretended, ostensibly, under color, under the plea, under the pretense of, under the guise of.
impossibility, what cannot, what can never be, sour grapes
, hopelessness, impossible, not possible, absurd, contrary to reason, unlikely, unreasonable, incredible, beyond the bounds of reason, beyond the bounds of possibility, beyond the realm of possibility, from which reason recoils, visionary, inconceivable, prodigious, unimaginable, inimaginable, unthinkable, impracticable unachievable, unfeasible, infeasible, insuperable, unsurmountable, insurmountable, unattainable, unobtainable, out of reach, out of the question, not to be had, not to be thought of, beyond control, desperate, incompatible, inaccessible, uncomeatable, impassable, impervious, innavigable, inextricable, self- contradictory, out of one's power, beyond one's power, beyond one's depth, beyond one's reach, beyond one's grasp, too much for, ultra crepidam, the grapes are sour, non possumus, non nostrum tantas componere lites, look for a needle in a haystack, chercher une aiguille dans une botte de foin, il a le mer +a boire.