English Reference

Word

decisively

Phoneticsde·ci·sive·ly, stress on the second syllable

US/dɪˈsaɪsɪvɫi/

UK/dɪsˈaɪsɪvli/

Adverb of manner

Definition

adv. to do something in a quick, sure, and confident way. You use this when someone makes a choice or takes action without any doubt.

adv. in a manner that shows the ability to make decisions quickly and confidently; with conclusive results. Typically modifies verbs of action or decision-making.

Examples

“She acted decisively to solve the problem.”

“The manager acted decisively to stop the leak before it caused any permanent damage to the office.”

“The commander moved decisively to secure the perimeter, effectively ending the standoff before negotiations could break down further.”

Examples

simple

“She acted decisively to solve the problem.”

contextual

“The manager acted decisively to stop the leak before it caused any permanent damage to the office.”

complex

“The commander moved decisively to secure the perimeter, effectively ending the standoff before negotiations could break down further.”

Usage

Typically follows the verb it modifies or the direct object.

Real-World Examples

“The warning signs were visible, but the international community failed to act decisively.”
UN News 25 Aug 2026
“But neither has been able to decisively defeat the other.”
Al Jazeera 17 Aug 2026

Word family

ADVERB

decisively(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
Occasional
Level
B2 · Upper Intermediate
Updated

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