Self-conscious

1. (a.) Conscious of one's acts or state as belonging to, or originating in, one's self.

2. (a.) Conscious of one's self as an object of the observation of others; as, the speaker was too self-conscious.

Thesaurus Entries

affected, anxious, apprehensive, artificial, awkward, bashful, confused, conscious, coy, demure, diffident, embarrassed, exhibitionist, formal, hesitant, ill at ease, inarticulate, insecure, mannered, modest, mousy, nervous, ostentatious, prim, reserved, retiring, self-effacing, shamefaced, shamefast, sheepish, shrinking, shy, skittish, stammering, stiff, stilted, timid, timorous, uncomfortable, uneasy, unsure