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Insubstantial vs Insubstantive - What's the difference?

insubstantial | insubstantive |

As adjectives the difference between insubstantial and insubstantive

is that insubstantial is lacking substance; not real or strong while insubstantive is (nonstandard) not substantive (in any sense).

insubstantial

English

Adjective

(en adjective)
  • Lacking substance; not real or strong.
    • The bridge was insubstantial and would not safely carry a car.

    Synonyms

    * unsubstantial (archaic)

    Antonyms

    * substantial

    insubstantive

    English

    Adjective

    (en adjective)
  • (nonstandard) Not substantive (in any sense)
  • (nonstandard) Unable to be substantiated; unfounded