1

inverse

adjective in·verse \ (ˌ)in-ˈvərs , ˈin-ˌvərs \

Definition of inverse

1 :opposite in order, nature, or effect
2 :being an inverse function
  • inverse sine

Examples of inverse in a Sentence

  1. Addition and subtraction are inverse operations.

Recent Examples of inverse from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'inverse.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of inverse

Middle English, turned upside down, from Latin inversus, from past participle of invertere


2

inverse

noun

Definition of inverse

1 :something of a contrary nature or quality :opposite, reverse
2 :a proposition or theorem formed by contradicting both the subject and predicate or both the hypothesis and conclusion of a given proposition or theorem
  • the inverse of "if A then B" is "if not-A then not-B"
— compare contrapositive
3 a :inverse function; also :an operation (such as subtraction) that undoes the effect of another operation
b :a set element that is related to another element in such a way that the result of applying a given binary operation to them is an identity element of the set

Examples of inverse in a Sentence

  1. the inverse of your argument

Recent Examples of inverse from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'inverse.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of inverse

circa 1681


INVERSE Defined for English Language Learners

inverse

adjective

Definition of inverse for English Language Learners

  • —used to describe two things that are related in such a way that as one becomes larger the other becomes smaller

  • : opposite in nature or effect


inverse

noun

Definition of inverse for English Language Learners

  • : something that is the opposite of something else


INVERSE Defined for Kids

inverse

adjective in·verse \ in-ˈvərs \

Definition of inverse for Students

1 :opposite in order, nature, or effect
  • an inverse relationship
2 :being a mathematical operation that is opposite in effect to another operation
  • Multiplication is the inverse operation of division.

inversely

adverb


Seen and Heard

What made you want to look up inverse? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

spoken rather than written

Get Word of the Day daily email!

Test Your Vocabulary

The Exceptions Quiz III

  • one-green-toy-robot-amidst-many-red-toy-robots
  • Which of these words does not mean "nonsense"?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!