Erratic (Adjective)
Meaning 1
Having no fixed course; "an erratic comet"; "his life followed a wandering course"; "a planetary vagabond".
Classification
All adjective clusters.
Synonyms
Meaning 2
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".
Classification
All adjective clusters.
Synonyms
Meaning 3
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.
Classification
All adjective clusters.