The act or process of withdrawing, especially from something hazardous, formidable, or unpleasant. The process of going backward or receding from a position or condition gained. A place affording peace, quiet, privacy, or security. See Synonyms at shelter. A period of seclusion, retirement, or solitude. A period of group withdrawal for prayer, meditation, or study: a religious retreat. Withdrawal of a military force from a dangerous position or from an enemy attack. The signal for such withdrawal. A bugle call or drumbeat signaling the lowering of the flag at sunset, as on a military base. The military ceremony of lowering the flag. To fall or draw back; withdraw or retire. See Synonyms at recede1. To slope backward. Games To move (a chess piece) back.