English Reference

Word

thicker

Phoneticsthick·er, stress on the first syllable

US/ˈθɪkɝ/

UK/θˈɪkɐ/

Definitions

01greater width or depth

A2 · Elementary

adj. having a larger distance between two sides than something else.

adj. denoting a greater measurement between opposite surfaces or a larger diameter than a reference object.

“You should wear a thicker coat because it is snowing outside.”

“The architect specified a thicker grade of glass for the ground-floor windows to improve both insulation and security against potential intruders.”

Synonyms

Antonyms

02less watery

B1 · Intermediate Cooking

adj. describing a liquid that is more solid or flows more slowly.

adj. referring to a fluid with higher viscosity or a more dense consistency.

“The sauce became thicker after I let it cook for ten more minutes.”

“By reducing the stock over a high flame, the chef achieved a much thicker consistency that coated the back of a spoon perfectly.”

Synonyms

Antonyms

runnierwaterier

03more crowded

B2 · Upper Intermediate

adj. having more things or people close together in one place.

adj. characterised by a higher density or concentration of constituent elements.

“The forest grew thicker as we walked further away from the path.”

“As the humidity rose, the fog became noticeably thicker, reducing visibility to less than ten metres for the approaching vessels.”

Synonyms

Antonyms

sparser

04in a more dense way

B2 · Upper Intermediate

adv. in a way that creates a deeper or more crowded layer.

adv. the comparative adverbial form, indicating a more dense or frequent distribution.

“The snow began to fall thicker and faster as night approached.”

“The paint must be applied thicker on the exterior surfaces to ensure the wood is fully protected from the coastal salt air.”

Synonyms

more densely

Antonyms

more thinly

Idioms

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
Frequent
Level
A2 · Elementary
Updated

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English Reference