ذعف1 ذَعَفَهُ, (S, K,) aor. ـَ (K,) inf. n. ذَعْفٌ, (TK,) He gave him to drink ذُعَاف [i. e. poison, or instantaneous poison]. (S, K.) b2:  [And He poisoned food: (see مَذْعُوفٌ:) for] ذَعْفٌ also signifies the infecting with poison. (KL.) A2:  ذَعِفَ and ذَعَفَ, aor. ـَ (K,) inf. n. ذَعَفَانٌ, (K, * TK,) He died: (K:) [or he died quickly: like ذَأَفَ.]4 اذعفهُ He, or it, slew him, or killed him, quickly. (K.) 7 انذعف His breath became interrupted, or short, (اِنْبَهَرَ,) and his heart broke اِنْقَطَعَ فُؤَادُهُ [a phrase probably to be understood in a figurative sense; like انذأف]). (K.) ذَعْفٌ: see ذُعَافٌ. b2:  حَيَّةٌ ذَعْفُ اللُّعَابِ A serpent that kills quickly. (K.) ذَعَفَانٌ Death. (K.) [See 1, last sentence.]ذُعَافٌ Poison: (S, K:) or instantaneous poison; as also ↓ ذَعْفٌ: (K:) or such poison is called سَمٌّ ذُعَافٌ: (Mgh:) pl. ذُعُفٌ. (K.) b2:  مَوْتٌ ذُعَافٌ i. q. ذُؤَافٌ; (S, K;) i. e. A quick death; that kills quickly; (S;) and so ↓ مَوْتٌ مُذْعِفٌ. (K.) مُذْعِفٌ: see what next precedes.طَعَام مَذْعُوفٌ [Poisoned food; or] food in which is ذُعَاف. (S, K.) [This art. is wanting in the copies of the TA known to me. Compare with it art. زعف.]