not willing to be with other people

nonparticipating; avoiding company

of, like, a cynic

nonbelieving; doubtful

(of a person, character) slow to express feelings or opinions; (of a seat in a train, room in a hotel etc) kept for a person's later use

silent, unsociable; constrained

without companion; (preferring to be) alone; single; seldom visited

alone, single; unsociable

not friendly

nasty, hostile