English Reference

Word

firmly

Phoneticsfirm·ly, stress on the first syllable

US/ˈfɝmɫi/

UK/fˈɜːmli/

Adverb of manner

Definitions

01physically secure

B1 · Intermediate

adv. in a way that is strong and unlikely to move or break.

adv. with physical stability or strength; securely fixed in place.

“Make sure the lid is closed firmly so the paint doesn't dry out.”

“The structural beams were bolted firmly to the concrete foundation to ensure the building could withstand high winds.”

Usage

Usually follows the verb or the direct object.

Antonyms

02with certainty or resolve

B2 · Upper Intermediate

adv. in a way that shows you are certain about something and will not change your mind.

adv. with resolute intent or unwavering conviction; used for speech or beliefs.

“She firmly believes that everyone deserves a second chance.”

“The director firmly rejected the proposal, stating that it did not align with the company's long-term strategic goals.”

Usage

Often placed before the verb it modifies when expressing a belief or opinion.

Antonyms

hesitantlyuncertainly

Collocations

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

Verb

01. firmly establish

“By the end of the decade, the company had firmly established itself as a market leader.”

adv + verb

Real-World Examples

“How firmly they are trapped depends on how the glass is prepared.”
Phys.org 16 Aug 2026
“One of Gimon’s takeaways is that we’re firmly in the era of utility-scale solar, with batteries playing a supporting role.”
Ars Technica 15 Aug 2026

Etymology

From Middle English fermely; equivalent to firm + -ly.

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

Word family

ADJECTIVE

ADVERB

firmly(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
Common
Level
B2 · Upper IntermediateOxford
Updated

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