Antonyms for the phrase "say oneself" can be composed of words that indicate shyness, humiliation, and lack of confidence in oneself. Some antonyms for "say oneself" could include words like "withdraw," "retreat," or "recede," which convey the idea of stepping back or stepping away from a situation. Other antonyms might include words like "subdue," "submerge," or "suppress," which suggest a lack of assertiveness or an unwillingness to stand up for oneself. Overall, the antonyms for "say oneself" imply a lack of confidence, a reluctance to speak up, and a tendency to withdraw from social situations.