Uptight

Adjective

 * 1)  Excessively concerned with rules and order.
 * Don't be so uptight! You won't go to jail for crossing the street against the light.
 * 1)  Sexually repressed.
 * He came from a very uptight religious background, but you wouldn't know that now!

Thesaurus
accordant, anal, bourgeois, compulsive, concordant, conformist, conventional, corresponding, edgy, formalistic, harmonious, in accord, in keeping, in line, in step, kosher, nervy, orthodox, pedantic, plastic, precisianistic, restive, square, straight, strained, stretched tight, stuffy, taut, tense, traditionalist, under a strain, uneasy, unrelaxed

Related terms

 * tightass