The term "screwed face" refers to a facial expression that conveys discomfort, displeasure, or annoyance. Antonyms of this phrase would describe a positive or neutral facial expression. Synonyms for a positive expression could include "smiling," "grinning," or "beaming." Meanwhile, synonyms for a neutral expression could include "expressionless," "blank face," or "poker face." The opposite of a screwed face suggests a relaxed and contented individual. The phrase can have varying connotations, however, based on the usage it takes. Ultimately, antonyms of "screwed face" may imply a lack of discomfort, displeasure or annoyance, instead, reflect a sense of calmness, elation, or even sadness.