a. 不爱社交的, 不友善的

Insociable \In*so"cia*ble\, a. [L. insociabilis: cf. F.
insociable. See {In-} not, and {Sociable}.]
1. Incapable of being associated, joined, or connected.
[Obs.]

Lime and wood are insociable. --Sir H.
Wotton.

2. Not sociable or companionable; disinclined to social
intercourse or conversation; unsociable; taciturn.

This austere insociable life. --Shak.