English Reference

Word

altering

Phoneticsal·ter·ing, stress on the first syllable

US/ˈɔɫtɝɪŋ/

UK/ˈɒltəɹɪŋ/

Definitions

01changing something

B2 · Upper Intermediate

v. making a small change to something to improve it or make it fit better.

v. making modifications to the character, appearance, or structure of something. Transitive — requires an object such as a plan, garment, or document.

“The tailor is altering my suit so that the jacket fits my shoulders perfectly.”

“The architect suggested altering the original floor plan to allow more natural light into the central living area.”

Usage

Often used with physical objects like clothing or abstract concepts like plans and schedules.

02the process of change

B2 · Upper Intermediate Uncountable noun

n. the action of making changes to something.

n. the act or process of making a change or modification. Functions as a gerund in this sense.

“Altering the schedule at the last minute caused a lot of confusion for the team.”

“Altering the chemical composition of the compound resulted in a significantly more stable reaction during the second phase of testing.”

Real-World Examples

“New research suggests the gene variant may begin altering brain activity well before memory problems become noticeable.”
ScienceDaily 23 Aug 2026
“Decreased sea ice cover, changing wind patterns and warming ocean temperatures are already altering krill habitat and the Southern Ocean food web.”
The Conversation 21 Aug 2026

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.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL 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: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Frequent
Level
B2 · Upper Intermediate
Updated

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English Reference