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See also: لیسand ليش



Etymology 1Edit

Contraction of the negative particle لا and ش ي ء (š-y-ʾ) originally meaning to be or to exist.[1][2] Negative cognate to Hebrew יֵשׁ (yésh) and Akkadian [script needed] (išu).[3]



لَيْسَ (laysa) I

  1. (copulative) not to be
  2. not to exist; (third person) there is not
  3. (third person) used to refer to a preceding context, where English would simply use the adverb not
    وُلِدْتُ فِي دِمَشْقَ وَلَيْسَ فِي بَيْرُوت
    wulidtu fī dimašqa walaysa fī bayrūt
    I was born in Damascus, not in Beirut.
    (literally, “I was born in Damascus and it isn’t in Beirut.”)
Usage notesEdit

This is a defective verb. It has only perfect indicative forms with a present-tense meaning. It governs a noun or adjective in the accusative, or takes بِـ (bi-) and the genitive.

لَسْتُ عَالِمًا‎ ― lastu ʿālimanI am not learned
لَسْتُ بِعَالِمٍ‎ ― lastu bi-ʿāliminI am not learned
  • Before consonantal endings, the diphthong -ay- is reduced to a short -a-:
singular dual plural
1st person لَسْتُ (lastu) لَسْنَا (lasnā)
2nd person m لَسْتَ (lasta) لَسْتُمَا (lastumā) لَسْتُمْ (lastum)
2nd person f لَسْتِ (lasti) لَسْتُنَّ (lastunna)
3rd person m لَيْسَ (laysa) لَيْسَا (laysā) لَيْسُوا (laysū)
3rd person f لَيْسَتْ (laysat) لَيْسَتَا (laysatā) لَسْنَ (lasna)

See alsoEdit

Etymology 2Edit



لَيِسَ (layisa) I, non-past يَلْيَسُ‎ (yalyasu)

  1. to be valiant, to be brave, to be courageous

Etymology 3Edit


لَيَس (layasm

  1. verbal noun of لَيِسَ (layisa) (form I)

Etymology 4Edit


لِيس (līsm pl

  1. masculine plural of أَلْيَس (ʾalyas)


  1. ^ “شيأ” in Edward William Lane (1863), Arabic-English Lexicon, London: Williams & Norgate, pages 1625-1627, meaning to be, to exist, literally that which is caused to be a thing, something, anything.
  2. ^ “ليس” in Edward William Lane (1863), Arabic-English Lexicon, London: Williams & Norgate, pages 2684-2685, meaning not, there is not, to be not, to have not.
  3. ^ H3426 in Strong’s Exhaustive Concordance to the Bible, 1979