Disparagement of something that is unattainable.

Roget 471: impossibility etc. adj.; what cannot, what can never be; sour grapes; hopelessness etc. 859.   

Roget 617: pretext, pretense, pretension, plea^†; allegation, advocation; ostensible motive, ostensible ground, ostensible reason, phony reason; excuse etc. (vindication) 937; 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 [Lat.]; stalking-horse, cheval de bataille [Fr.], cue.    pretense etc. (untruth) 546; 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 etc. (sophistry) 477; soft sawder etc. (flattery) 933^†.    ... show more

Polish: kwaśne winogrona