What does "inverse" mean?
An inverted state: a state in which something has been turned (properly) upside down or (loosely) inside out or backwards.
Inverse
/ɪnˈvɝs/ adj, noun, verb
adj, noun, verb ·Common ·High school level
Meaning at a glance
- Primary sense: An inverted state: a state in which something has been turned (properly) upside down or (loosely) inside out or backwards.
- Grammar: inverse is listed as adj, noun, verb.
- Nearest alternatives: opposite, additive inverse, adversative, adverse.
- Useful contrasts: direct, converse, direct mapping.
- Usage evidence: The inverse of a non-square matrix is a dangerous thing.
How to use "inverse"
- Start with the primary definition, then check the part of speech before placing the word in a sentence.
- Compare nearby synonyms to make sure "inverse" carries the exact meaning, tone, and strength you need.
- Use the example sentence as a context check. If your sentence uses the word differently, confirm that the grammar still fits.
Meaning check
- Does the word fit the sentence's grammar?
- Does it match the intended tone rather than only the dictionary definition?
- Would a simpler synonym be clearer for the reader?
- Is there enough surrounding context to prevent ambiguity?
Source and review context
This entry combines structured lexical data with WordToolSet review checks. Definitions, examples, synonyms, and usage notes may come from different source tables, so the page is designed to show evidence from more than one angle before you rely on "inverse" in a final draft.
If a word has several senses, prefer the sense that matches your sentence's grammar and surrounding context. A correct definition can still be the wrong choice when the sentence needs a different register, emphasis, or level of specificity.
Before you rely on this definition
Read the first definition as a starting point, then check the example, synonyms, and part of speech before treating "inverse" as the right word for your sentence.
If your draft is formal, technical, persuasive, or sensitive, compare "inverse" with a nearby alternative so the final choice matches both meaning and reader expectation.
Compare nearby meanings
- Use synonyms when you need a softer, stronger, simpler, or more specific word.
- Use antonyms to check the boundary of the meaning and avoid accidental contrast.
- Use the example sentence to confirm the word behaves naturally in context.
- Keep the original wording when a replacement adds complexity without improving precision.
Definition decision workflow
1. Identify the role
Check whether "inverse" is acting as adj, noun, verb in your sentence. A definition is only useful when the grammar matches the way the word is being used.
2. Test the nearest option
Compare it with "opposite" and other nearby choices to see whether the sentence needs a softer, stronger, or more familiar word.
3. Confirm with context
Use the example sentence below as an evidence check, then read your own sentence out loud to catch tone or rhythm problems.
Review note: Definition pages are checked for source coverage, sentence evidence, synonym support, and editorial insight before they are treated as approval-ready pages. If the evidence is too thin, the page remains available to users but is kept out of the approval-facing indexed inventory.
Final meaning check
Before publishing a sentence with "inverse", ask whether the word helps the reader understand the idea faster. A precise word should reduce confusion, not simply make the sentence look more polished.
When the definition, synonym evidence, and example context point in the same direction, the word is usually a safer choice. When they conflict, revise the sentence or choose a clearer alternative.
Definitions
Noun
- 1 An inverted state: a state in which something has been turned (properly) upside down or (loosely) inside out or backwards.
"Cowgirl is the inverse of missionary."
- 2 something inverted in sequence or character or effect wordnet
- 3 The result of an inversion; The reverse of any procedure or process.
"Uninstalling is the inverse of installation."
- 4 The result of an inversion; A ratio etc. in which the antecedents and consequents are switched.
"The inverse of a:b is b:a."
- 5 The result of an inversion; The result of a circle inversion; the set of all such points; the curve described by such a set.
"The inverse P‘ of a point P is the point on a ray from the center O through P such that OP × OP‘ = r² or the set of all such points."
Show 7 more definitions
- 6 The result of an inversion; The non-truth-preserving proposition constructed by negating both the premise and conclusion of an initially given proposition.
""Anything that isn't a dog doesn't go to heaven" is the inverse of "All dogs go to heaven." More generally, ¬ mathsf p→¬ mathsf q is the inverse of mathsf p→ mathsf q and is equivalent to the converse proposition mathsf q→ mathsf p."
- 7 A second element which negates a first; in a binary operation, the element for which the binary operation—when applied to both it and an initially given element—yields the operation's identity element, specifically:; The negative of a given number.
"The additive inverse of x is -x, as x-x=0, as 0 is the additive identity element."
- 8 A second element which negates a first; in a binary operation, the element for which the binary operation—when applied to both it and an initially given element—yields the operation's identity element, specifically:; One divided by a given number.
"The multiplicative inverse of x is x⁻¹, as x×x⁻¹=1, as 1 the multiplicative identity element."
- 9 A second element which negates a first; in a binary operation, the element for which the binary operation—when applied to both it and an initially given element—yields the operation's identity element, specifically:; A second function which, when combined with the initially given function, yields as its output any term inputted into the first function.
"The compositional inverse of a function f is f⁻¹, as ff⁻¹= mathit I, as mathit I is the identity function. That is, ∀x,f(f⁻¹(x))= mathit I(x)=x."
- 10 A morphism which is both a left inverse and a right inverse.
- 11 The winning of the coup in a game of rouge et noir by a card of a color different from that first dealt; the area of the table reserved for bets upon such an outcome.
"If the player... be determined to try his luck on the inverse, he must place his money on a yellow circle, or rather a collection of circles, situated at the extremity of the table."
- 12 A grammatical number marking that indicates the opposite grammatical number (or numbers) of the default number specification of noun class.
Verb
- 1 To compute the bearing and distance between two points.
Adjective
- 1 Opposite in effect, nature or order. not-comparable
- 2 Reverse, opposite in order. not-comparable
- 3 Inverted; having a position or mode of attachment the reverse of that which is usual. not-comparable
- 4 Having the properties of an inverse; said with reference to any two operations, which, when both are performed in succession upon any quantity, reproduce that quantity. not-comparable
"Multiplication is the inverse operation to division."
- 5 That has the property of being an inverse (the result of a circle inversion of a given point or geometrical figure); that is constructed by circle inversion. not-comparable
"A circle inversion maps a given generalized circle to its inverse generalized circle."
Show 1 more definition
- 6 Whose every element has an inverse (morphism which is both a left inverse and a right inverse). not-comparable
Adjective
- 1 reversed (turned backward) in order or nature or effect wordnet
- 2 opposite in nature or effect or relation to another quantity wordnet
Synonyms
All synonymsExample
"The inverse of a non-square matrix is a dangerous thing."
Common questions
What is a synonym for "inverse"?
Common synonyms include: opposite, additive inverse, adversative, adverse, adversive, antagonistic.
How do you use "inverse" in a sentence?
The inverse of a non-square matrix is a dangerous thing.
How do you pronounce "inverse"?
Pronounced /ɪnˈvɝs/.
Etymology
Recorded since 1440, from Latin inversus, the past participle of invertere (“to invert”), itself from in- (“in, on”) + vertere (“to turn”).