English Reference

Word

linearly

Phoneticslin·ear·ly

US/ˈɫɪniɝɫi/

UK/lˈɪniəli/

Definition

adv. in a straight line or in a way that follows a simple, direct pattern. You use this to describe things that increase or decrease at a steady rate.

adv. in a straight line or in a manner that follows a direct, proportional relationship. Often describes mathematical functions or physical processes where the output is directly proportional to the input.

Examples

“The cost of the tickets increases linearly with the number of people.”

“The scientist observed that the temperature of the liquid rose linearly as the heat was applied.”

“While the initial growth of the bacteria was linearly proportional to the available nutrients, the rate eventually slowed as the environment became saturated with waste products.”

Examples

simple

“The cost of the tickets increases linearly with the number of people.”

contextual

“The scientist observed that the temperature of the liquid rose linearly as the heat was applied.”

complex

“While the initial growth of the bacteria was linearly proportional to the available nutrients, the rate eventually slowed as the environment became saturated with waste products.”

Collocations

Common phrases and expressions where native English speakers use the word “linearly” in context.

Verb

01. linearly increase

“The cost of the project will linearly increase as more resources are added to the team.”

adv + verb

Real-World Examples

“The story unfolds linearly, but your choices still matter in the complex missions.”
The Guardian 22 Aug 2026
“But performance on the Ultra chips has never scaled perfectly linearly with the number of cores, and the M5 Ultra is the same way.”
Ars Technica 24 Sept 2026

Etymology

From linear + -ly.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

ADJECTIVE

ADVERB

linearly(C1)

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
Frequency
Occasional
Level
C1 · Advanced
Updated

QR code

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English Reference