un‧so‧cial /ˌʌnˈsəʊʃəl◂ $ -ˈsoʊ-/ (also unsociable) adjective
[Word Family: noun: society, sociologist, sociology, sociability, social, socialism, socialist, socialite, socialization, sociopath; adjective: sociable ≠ unsociable, social ≠ ANTI-SOCIAL, unsocial, socialist, socialistic, societal, sociological, sociopathic; adverb: socially, sociably, sociologically; verb: socialize]
work unsocial hours to work during the night or early in the morning when most people do not have to work

[TahlilGaran] Dictionary of Contemporary English ▲