inflection

noun

in·​flec·​tion in-ˈflek-shən 

1

: change in pitch or loudness of the voice

2

a

: the change of form that words undergo to mark such distinctions as those of case, gender, number, tense, person, mood, or voice

b

: a form, suffix, or element involved in such variation

c

: accidence

3

: the act or result of curving or bending : bend

4

a

: change in curvature of an arc or curve from concave to convex or conversely

b

: inflection point

Did you know?

Changing the pitch, tone, or loudness of our words are ways we communicate meaning in speech, though not on the printed page. A rising inflection at the end of a sentence generally indicates a question, and a falling inflection indicates a statement, for example. Another way of inflecting words is by adding endings: -s to make a noun plural, -ed to put a verb in the past tense, -er to form the comparative form of an adjective, and so on.

Synonyms of inflection

• curvature
• curve
• angle
• bend
• turn

Examples of inflection in a Sentence

She spoke with no inflection.

She read the lines with an upward inflection.

Most English adjectives do not require inflection.

“Gone” and “went” are inflections of the verb “go.”

English has fewer inflections than many other languages.

Recent Examples on the Web

What does your voice inflection look like? —Nate Atkins, New York Times, 29 May 2026

Cybersecurity companies are in the middle of a significant inflection, spurred by Anthropic's Mythos model and the rise of autonomous AI agents that are capable of exploiting vulnerabilities faster than ever before. —Samantha Subin, CNBC, 29 May 2026

Roher and co-writer Robert Ramsay craft a classically structured screenplay about a talented piano tuner who stumbles into a life of crime, upon which Roher, editor Greg O’Bryant, and composer Will Bates embroider jazzy rhythms and inflections, inspired by the musical world our characters inhabit. —Los Angeles Times, 29 May 2026

Most who try, though, end up offering this simple structure, often involving an expletive and an inflection that nearly crosses the vocal threshold from overwhelming admiration into admonition. —Luca Evans, Denver Post, 26 May 2026

Word History

First Known Use

1531, in the meaning defined at sense 3

Phrases Containing inflection

• inflection point
• point of inflection

Rhymes for inflection

• abjection
• advection
• affection
• bijection
• bisection
• collection
• complexion
• confection
• connection
• connexion
• convection
• correction

Kids Definition

inflection

noun

in·​flec·​tion in-ˈflek-shən 

1

: a change in the pitch or tone of a person's voice

2

: the change in the form of a word showing its case, gender, number, person, tense, mood, voice, or comparison

inflectional

-shnəl, 

-shən-ᵊl

adjective

Medical Definition

inflection

noun

in·​flec·​tion

variants or chiefly British inflexion

in-ˈflek-shən 

: the act or result of curving or bending