English Reference

Word

strong

US/ˈstɹɔŋ/

UK/stɹˈɒŋ/

Definitions

01physical power

A1 · Beginner

adj. having a lot of physical power or muscle.

adj. possessing great physical power or muscular force.

“He is strong enough to lift the heavy sofa by himself.”

“The athlete's strong physique is the result of years of disciplined weightlifting and a strict nutritional regimen.”

Antonyms

02durable or tough

A2 · Elementary

adj. not easily broken or damaged.

adj. capable of withstanding great physical force or pressure without breaking.

“You need a strong rope to tie the boat to the dock.”

“The bridge was built with strong steel beams designed to endure the most extreme weather conditions.”

Antonyms

03intense or powerful

A2 · Elementary

adj. very powerful or easy to notice, like a smell, a feeling, or a light.

adj. highly stimulating to the senses or having a high concentration of an active ingredient.

“The coffee was so strong that I had to add some milk.”

“A strong scent of pine needles filled the air as we walked deeper into the forest.”

Antonyms

04determined

B1 · Intermediate

adj. having a firm personality or not changing your mind easily.

adj. showing determination, willpower, or resilience in the face of difficulty.

“She has a strong personality and always says what she thinks.”

“Despite the criticism, the leader remained strong in her conviction that the new policy would benefit the community.”

Antonyms

indecisiveweak-willed

05persuasive

B2 · Upper Intermediate Logic Academic

adj. easy to believe because it is based on good reasons.

adj. logically sound and convincing.

“The lawyer made a strong argument for why the man was innocent.”

“The researchers presented strong evidence suggesting a direct correlation between sleep deprivation and cognitive decline.”

06grammar/verbs

C1 · Advanced Grammar Technical

adj. used to describe verbs that change their middle sound to show the past, like 'sing' becoming 'sang'.

adj. denoting a class of verbs that form the past tense by a change in the root vowel rather than by adding a suffix.

“'Speak' is a strong verb because its past tense is 'spoke'.”

“In Germanic linguistics, strong verbs are distinguished by their use of ablaut to indicate tense changes.”

Synonyms

Antonyms

07chemical ionization

C1 · Advanced Science Technical

adj. used to describe a chemical that breaks apart completely when mixed with water.

adj. referring to an acid or base that completely ionizes in an aqueous solution.

“Hydrochloric acid is a strong acid that can burn your skin.”

“The experiment required a strong electrolyte to ensure maximum conductivity within the solution.”

Antonyms

08impressive

C1 · Advanced American English · Slang

adj. very good or impressive.

adj. denoting something that is of high quality or impressively executed.

“That was a strong performance by the lead singer.”

“The team's effort in the final quarter was truly strong, securing their place in the championships.”

09quantity of people

B2 · Upper Intermediate

adj. having a specific number of people in a group.

adj. having a specified numerical strength or population.

“The protest was ten thousand strong by the time it reached the city center.”

“The enemy force, estimated to be five thousand strong, occupied the ridge overlooking the valley.”

Usage

Always follows the number it describes.

10with vigor

B1 · Intermediate

adv. in a powerful or determined way.

adv. with great force, intensity, or determination.

“The business is still going strong after fifty years.”

“The marathon runner started to tire, but she managed to finish strong in the final mile.”

Usage

Often used in the phrase 'finish strong' or 'going strong'.

Antonyms

Collocations

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

01. strong winds 02. strong enough 03. strong evidence 04. particularly strong 05. strong connexion 06. strong contrast 07. strong design 08. strong foundation 09. strong shaking 10. strong start 11. strong magnetic 12. strong support

Word family

ADJECTIVE

strong(A1)

Related words

Idioms

Domains

ChemistryGrammarLogicMathematicsMilitary

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.A1 MoversIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.2.0–3.0TOEFL 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: 1.0–1.50–23TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.120–224
Frequency
Very common
Level
A1 · BeginnerOxford
Updated

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