The term 'more uptight' can be described by the crossword solutions uneasier (8 letters), EDGIER (6 letters), and tenser (6 letters). Uneasier means to be more anxious or uneasy, EDGIER means to be more nervous or irritable, and tenser means to be more strained or stressed. All three words describe a person who is more uptight than usual, meaning they are feeling more anxious, nervous, irritable, strained, and/or stressed.