ختعرQ. 1 خَتْعَرَ, inf. n. خَتْعَرَةٌ, It passed away, and came to nought: (K: but only the inf. n. is there mentioned:) said of the mirage. (Kr.) خَيْتَعُورٌ Anything that does not remain in one state; and that passes away, and comes to nought; (S, K:) or that has no real existence. (IAth.) b2:  The mirage; syn. سَرَابٌ: (S, K:) or what remains of the latter part of the mirage, when it becomes dispersed, and delays not to pass away and come to nought. (Kr, L.) b3:  [Gossamer; i. e.] what descends from the air in a time of intense heat, like spiders' webs; (S;) a thing like spiders' webs, which appears in a time of heat, (K,) descending from the sky, (TA,) resembling threads, (K,) or white threads, (TA,) in the air. (K.) [See لُعَابُ الشَّمْسِ, in art. لعب.] b4:  The present world or life. (K.) b5:  The devil: (Fr, K:) or the devil of the 'Akabeh, called أَزَبُّ العَقَبَةِ (IAth.) b6:  The [imaginary creature called] غُول: (S, K:) because it changes its appearance. (TA.) b7:  A certain insect, (K,) of a black colour, (TA,) that is upon the surface of water, and that does not remain in one place (K) save as long as the time of the winking of an eye. (TA.) b8:  A perfidious, or an unfaithful, man. (TA.) b9:  A woman whose affection does not last: (TA:) a woman evil in disposition: (K:) likened to a غُول inasmuch as her love does not last. (TA.) b10:  The wolf: (S, K:) because of his unfaithfulness. (TA.) b11:  The lion: (K:) because of his perfidiousness. (TA.) b12:  A calamity; syn. دَاهِيَةٌ. (S, K.) b13:  نَوًى خَيْتَعُورٌ [A point towards which one journeys] that is not in a right direction; syn. اَلَّتِى لَا تَسْتَقِيمُ: (L:) or far distant. (K.)