Textual thesaurus for "erratic"

(adj) mercurial, fickle, quicksilver

liable to sudden unpredictable change

erratic behavior; fickle weather; mercurial twists of temperament; a quicksilver character, cool and willful at one moment, utterly fragile the next

(adj) temperamental

likely to perform unpredictably

erratic winds are the bane of a sailor; a temperamental motor; sometimes it would start and sometimes it wouldn't; that beautiful but temperamental instrument the flute- Osbert Lancaster

(adj) planetary, wandering

having no fixed course

an erratic comet; his life followed a wandering course; a planetary vagabond