delusions grandeur (noun) delusions of grandeur: overestimation of one's own importance
Sinonime: angry, bearish, bristly,
cantankerous,
choleric, crabbed,
cranky,
cross,
feisty,
fractious, grouchy,
hasty, hot-tempered, huffy, ireful,
irritable, ogre,
passionate,
peevish,
petulant,
querulous, quick-tempered, short-tempered, snappish,
surly, testy, thin-skinned,
touchy,
uptightAntonime: cheerful,
happy