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

FDA regulations also require the agency to assess both safety and effectiveness before approving a substance for compounding.

From Salon • Apr. 4, 2026

Profits will rise faster than the price of the substance, often sending shares upward faster than oil futures.

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

Turner told me: “I don’t think there’s any science or substance behind it. It’s a marketing pitch.”

From Slate • Mar. 30, 2026

Nan handed me the map, passed a bowl of peaches, and said, “All right, Jubilee, let the search for substance begin.”

From "Hope Springs" by Jaime Berry

Related Words

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