The term "screw face" is a colloquial expression used to describe a facial expression that indicates disapproval, anger, or hostility. Some antonyms for this expression would include words like "smiling," "friendly," "welcoming," "warm," and "approachable." These words describe a facial expression that is positive and welcoming, rather than negative and threatening. Other antonyms for "screw face" could include "pleasant," "calm," "relaxed," and "unbothered," all of which suggest a relaxed and carefree attitude. Choosing the right antonym for "screw face" can help you describe a range of emotions, from anger and hostility to peace and contentment.