English Reference

Word

optimize

Phoneticsop·ti·mize, stress on the first syllable

/ˈɑptəˌmaɪz/

UK spelling · optimise

Definitions

01to make something better

B2 · Upper Intermediate

v. to improve something so that it works in the best possible way.

v. to make something optimal or as effective as possible by adjusting its components.

“We need to optimize our workflow to finish the project on time.”

“The management team sought to optimize the supply chain to reduce overhead costs while maintaining high delivery standards.”

Usage

Often used with abstract nouns like 'process', 'performance', or 'workflow'.

Antonyms

02computing

B2 · Upper Intermediate Computing Technical

v. to make a computer program or system run faster or use less memory.

v. to modify a system or software to improve its efficiency or reduce its resource consumption.

“The developers are working to optimize the app for older smartphones.”

“By refactoring the database queries, the engineers were able to optimize the server response time significantly during peak traffic hours.”

Synonyms

Real-World Examples

“For years, researchers had attempted to optimize these proteins through genetic engineering, achieving only limited improvements in response speed.”
Phys.org 28 Aug 2026
“There are so many TikTok trends that promise to optimize our lives.”
Phys.org 18 Aug 2026

Etymology

(1844) Back-formation from optimist.

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

Word family

VERB

optimize(B2)

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