English Lexicon

Insubstantial

/ˌɪn.səˈstæn.ʃəl/
adjectiveCEFR C1 (Advanced)Top #1500 frequency
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Comprehensive Definitions & Senses

2 senses
As adjective
  1. 1

    Not having physical substance; lacking solidity or strength.

    "The argument presented was insubstantial and failed to convince the jury."
  2. 2

    Of little or no importance; insignificant.

    "Her insubstantial claims did not warrant further investigation."

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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

The word 'insubstantial' originates from the Latin 'insubstantialis', which combines 'in-' meaning 'not' and 'substantialis' meaning 'substantial'. It evolved through Middle English, reflecting a shift from a focus on physical presence to a broader sense of lack of importance or reality.

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