Synonyms:
- autistic,
- bashful,
- beetle-browed,
- black,
- black-browed,
- brooding,
- broody,
- brusque,
- chapfallen,
- choleric,
- close,
- crabbed,
- cranky,
- crestfallen,
- dark,
- dejected,
- dissociable,
- dour,
- dumpish,
- frowning,
- gloomy,
- glowering,
- glum,
- grim,
- gruff,
- grum,
- incompatible,
- insociable,
- irascible,
- irritable,
- long-faced,
- lowering,
- melancholy,
- moodish,
- moody,
- mopey,
- moping,
- mopish,
- mumpish,
- nongregarious,
- saturnine,
- scowling,
- self-contained,
- self-sufficient,
- sick,
- sickly,
- snug,
- socially incompatible,
- splenetic,
- sulky,
- sullen,
- surly,
- testy,
- ugly,
- unclubbable,
- uncommunicative,
- uncompanionable,
- uncongenial,
- unfriendly,
- ungenial,
- unsociable,
- unsocial,
- waspish