Synonyms and Antonyms for unsubstantial

Synonyms:

• substantialness
• ethereal
• substantiality
• unreal
• solidness
• stringy
• shadowy
• airy
• aeriform
• nonmaterial
• aery
• wraithlike
• insubstantial
• aerial
• immaterial

Antonyms:

• material
• insubstantiality
• substantial
• immateriality
• incorporeality