You searched English word "Unsubstantial" meaning in Spanish that is "insubstancial". Unsubstantial is a Adjective. We Spell Unsubstantial as [uhn-suh B-stan-shuh L]. Unsubstantial meaning in Spanish has been searched 2322 ( two thousand three hundred twenty two ) times till today 23/09/2026. Get translation of the word Unsubstantial in Urdu and Roman Urdu. Learn how to speak Unsubstantial Word in Spanish and English. You may also find the meaning of Word Unsubstantial in English to Spanish, Urdu, Arabic, French, German, Hindi and other languages.