Word.ws English Dictionary

Synonyms of unsubstantial

8 similar words

Another word for unsubstantial is airy. Other synonyms of unsubstantial are aery, ethereal, diaphanous, immaterial and insubstantial.

Synonyms and similar words for unsubstantial

adjectiveInsubstantial.

  • airyResembling air; thin; unsubstantial; not material; airlike.
  • aeryAerial; ethereal; incorporeal; visionary.
  • etherealConsisting of ether; hence, exceedingly light or airy; tenuous; spiritlike; characterized by extreme delicacy, as form...
  • diaphanous formal
  • immaterialHaving no matter or substance; incorporeal.
  • insubstantialLacking substance; not real or strong.
  • tenuousInsubstantial.
  • unreal

Meaning of unsubstantial

  1. adjective Insubstantial.

Full definition of unsubstantial

unsubstantial in other languages

Questions about synonyms of unsubstantial

What is another word for unsubstantial?
Unsubstantial has 8 synonyms on Word.ws, such as airy, aery, ethereal, diaphanous, immaterial, insubstantial, tenuous and unreal.
What does unsubstantial mean?
Unsubstantial means insubstantial.

Source and license

Adapted from Wiktionary: unsubstantial (page history and authors) and the entries of the words listed. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws grouped the synonyms and antonyms by meaning and added links. Wiktionary data of 2026-09-02.

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