English Reference

Word

definitely

Phoneticsdef·i·nite·ly, stress on the first syllable

US/ˈdɛfənətɫi/

UK/dˈɛfɪnətli/

Adverb of degree

Definitions

01certainly

A2 · Elementary

adv. without any doubt; 100% sure.

adv. used to emphasise that something is certainly true or will certainly happen.

“I will definitely be at your party on Saturday night.”

“The recent data suggests that the climate is definitely changing at a faster rate than previously predicted by the committee.”

Pitfall

I definately want to go.

I definitely want to go.

This is one of the most commonly misspelled words in English; remember it has 'finite' in the middle, so it ends in '-itely'.

Antonyms

possiblymaybedoubtfully

02decisively

C1 · Advanced Formal

adv. in a way that is clear and final.

adv. in a manner that is clearly defined or decided; leaving no room for confusion.

“The matter was definitely settled after the final meeting.”

“The CEO spoke definitely about the company's future, leaving the shareholders with no doubt regarding the upcoming merger.”

Usage

Often used to describe how a problem is solved or how a person speaks.

Antonyms

vaguelyindecisively

Etymology

From definite + -ly.

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

Word family

ADJECTIVE

ADVERB

definitely(A2)

Related words

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.A2 KeyIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.3.0–4.0TOEFL 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: 2.0–2.524–43TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.225–549
Frequency
Very common
Level
A2 · ElementaryOxford
Updated

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