Entries on ولس in 10 Arabic dictionaries by the authors Murtaḍa al-Zabīdī, Tāj al-ʿArūs fī Jawāhir al-Qamūs, Ibn Sīda al-Mursī, Al-Muḥkam wa-l-Muḥīṭ al-Aʿẓam, Habib Anthony Salmone, An Advanced Learner's Arabic-English Dictionary, and 7 more
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ولس
3 وَالَسَ He acted perfidiously, or practised fraud: see دَالَسَ.
وَلْسٌ Treachery: see دَلَّسَ.