To crush; to render void – quashed a rebellion; quashed an indictment.
Synonyms:suppress, extinguish, quell; annul
Given to fault-finding and complaining – Her querulous nature estranged many people.
Synonyms:fretful, whining, captious, carping, peevish, petulant
Extravagantly romantic or idealistic; highly impractical – a quixotic scheme that can never materialize.
Synonyms:utopian, visionary, fantastic