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insubstantial Definition

in·sub·stan·tial (in′səb stans̸həl)

adjective

not substantial; specif.,

  1. not real; imaginary
  2. not solid or firm; weak or flimsy

Etymology: ML insubstantialis

insubstantial Related Forms

in′·sub·stan′·ti·al·ity (-s̸hē alə tē) noun

insubstantial Synonyms

insubstantial

modif.

  1. Imaginary

    ephemeral, illusory, intangible; see fanciful 1, imaginary, unreal.

  2. Flimsy

    petty, slight, frail, tenuous; see flimsy 1, poor 2, weak 2.

insubstantial Usage Examples

Infinitive complement

have: They were too insubstantial to have served as a stave or a splint.

Modifies a noun

  • sum: I remember winning a not insubstantial sum of money from an unnamed officer who was convinced were going for good!
  • amount: It must have been annoying for Alice Pike to have to break a note to pay for a relatively insubstantial amount.
  • nature: Overall this early phase of development was probably of short duration and of an insubstantial nature.
  • difference: Extent of the differences According to the EAT, any trivial or insubstantial differences between the jobs should also be disregarded.
  • part: This might seem like a fairly insubstantial part of the Act.
  • portion: Right to Copy Documentation Print Copy: Licensee and Authorized Users may print a minimal, insubstantial portion of the Licensed Materials.

Modifying Another Word

  • too: However, this characterisation proves to be too insubstantial for the promises of the minimal theory to be properly satisfied.
  • so: We could see light, but otherwise, why was it so insubstantial?
  • not: The lower Bb key pillar was sitting on a not insubstantial bed of solder, for example.
  • fairly: This might seem like a fairly insubstantial part of the Act.
  • rather: Quite apart from the relentlessly downbeat subject matter, the book also feels rather insubstantial.
  • relatively: It must have been annoying for Alice Pike to have to break a note to pay for a relatively insubstantial amount.

Used with adjective complement

  • seem: What I have done seems as insubstantial as thin smoke in high winds.
  • feel: Quite apart from the relentlessly downbeat subject matter, the book also feels rather insubstantial.