substance

American  

[suhb-stuhns] / ˈsʌb stəns /

noun

1. that of which a thing consists; physical matter or material.

   form and substance.

2. a species of matter of definite chemical composition.

   a chalky substance.

3. controlled substance.

4. the subject matter of thought, discourse, study, etc.

   Synonyms:

   subject, theme

5. the actual matter of a thing, as opposed to the appearance or shadow; reality.

   Synonyms:

   essence

6. substantial or solid character or quality.

   claims lacking in substance.

7. consistency; body.

   soup without much substance.

8. the meaning or gist, as of speech or writing.

   Synonyms:

   pith, import, significance

9. something that has separate or independent existence.

10. Philosophy.

    1. something that exists by itself and in which accidents or attributes inhere; that which receives modifications and is not itself a mode; something that is causally active; something that is more than an event.

    2. the essential part of a thing; essence.

    3. a thing considered as a continuing whole.

11. possessions, means, or wealth.

    to squander one's substance.

12. Linguistics. the articulatory or acoustic reality or the perceptual manifestation of a word or other construction (form ).

13. a standard of weights for paper.

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idioms

1. in substance,

   1. concerning the essentials; substantially.

   2. actually; really.

      That is in substance how it appeared to me.

substance British  

/ ˈsʌbstəns /

noun

1. the tangible matter of which a thing consists

2. a specific type of matter, esp a homogeneous material with a definite composition

3. the essence, meaning, etc, of a written or spoken thought

4. solid or meaningful quality

5. material density

   a vacuum has no substance

6. material possessions or wealth

   a man of substance

7. philosophy

   1. the supposed immaterial substratum that can receive modifications and in which attributes and accidents inhere

   2. a thing considered as a continuing whole that survives the changeability of its properties

8. Christian Science that which is eternal

9. a euphemistic term for any illegal drug

10. with regard to the salient points

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substance More Idioms  

1. see in substance; sum and substance.

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Related Words

See matter.

Other Word Forms

• substanceless adjective

Etymology

Origin of substance

First recorded in 1250–1300; Middle English, from Latin substantia “substance, essence” (literally, “that which stands under, i.e., underlies”), equivalent to sub- “under, beneath” + -stant- (stem of stāns, present participle of stāre “to stand”) + -ia noun suffix; sub-, stand, -ia; -ance

Example Sentences

“Also, if there is no clinical data for a substance, and an awareness that the substance has the propensity for harm, that could make it an appropriate placement on the Category 2 list.”

From Salon • Apr. 4, 2026

"If you sow doubt about your commitment every day, you drain it of its substance."

From Barron's • Apr. 3, 2026

But new early research suggests that some of these garments may contain a dangerous substance: lead.

From Science Daily • Apr. 2, 2026

In his statement, Mills does not address the substance of the allegations, provide any further detail about them or offer a denial.

From BBC • Apr. 1, 2026

When the insertions arrived in Florence, the covering letter from Riccardi included the sentence, ‘the author may alter or embellish the wording, so long as the substance is preserved’.

From "The Scientists" by John Gribbin

Related Words

• amount
• effect
• meat
• significance
• strength
• stuff
• subject