ضر

مَضَرَّةٌ ذ A cause, or means, of harm, injury, hurt, mischief, or damage; contr. of مَنْفَعَةٌ: (S, TA:) [and simply] harm, injury, hurt, &c.; syn. ضَرَرٌ: pl. مَضَارُّ. (Msb.)