thicker

IPA/θɪk/
KK[θˈɪkɚ]IPA/θɪk/

thicker — adjective

  • thickerpositive
  • thickerercomparative
  • thickerestsuperlative

1. having a larger distance between opposite surfaces than something else — used to

1.形容詞A1
釋義

having a larger distance between opposite surfaces than something else — used to compare the physical depth or width of an object, material, or layer.

例句

The walls in the old castle were thicker than any modern house walls.

be thicker than: comparing thickness

Daichi cut a thicker slice of bread for himself this morning.

同義詞
  • wider

    suggests horizontal distance rather than overall depth; less general than thicker

  • broader

    focuses on extent from side to side; not a perfect synonym for thickness

反義詞
  • thinner

    direct opposite in the same comparative form

  • narrower

    used when one dimension is being compared

文法句型

be/get/grow thicker

a thicker [noun]

用法筆記

[Entry note: This entry covers the full semantic range of 'thick'; 'thicker' is the comparative form. For the base form, see the entry for 'thick'.] Most common comparative form of 'thick'. Can be used before a noun (a thicker book) or after a linking verb (the book is thicker).

常見錯誤

This board is more thick than that one.
This board is thicker than that one.
💡One-syllable adjectives form the comparative with -er, not 'more'.

2. (of plants, hair, or crowds) growing closer together or in larger numbers than s

2.形容詞A2
釋義

(of plants, hair, or crowds) growing closer together or in larger numbers than something else; more tightly packed.

例句

The forest became thicker as they walked further away from the road.

Emma's natural curls looked noticeably thicker after she switched to a moisturizing shampoo.

同義詞
  • denser

    more scientific/neutral; interchangeable in most contexts

  • lusher

    positive connotation, mainly for plants and hair

反義詞
  • sparser

    less dense; opposite in distribution

  • thinner

    of hair or vegetation that is less abundant

文法句型

get/grow thicker

thicker [plural noun]

用法筆記

Use for vegetation, body hair, fur, and crowds. Not used for individual large objects — that is sense 1.

常見錯誤

The tree trunk was thicker with leaves.
The tree had thicker foliage this year.
💡'Thicker' for a trunk is sense 1 (measuring more); for leaves it is sense 2 (denser growth).

3. (of fog, smoke, darkness, or glass) harder to see or look through than something

3.形容詞A2
釋義

(of fog, smoke, darkness, or glass) harder to see or look through than something else, because the air or material has become denser.

例句

The fog grew even thicker during the night, and we could not see the road signs.

Karim pulled off the highway because the smoke from the fire was getting much thicker.

getting much thicker: increasing in opacity

同義詞
  • denser

    overlaps in this context; more neutral

  • heavier

    common for fog and cloud; more colloquial

反義詞
  • clearer

    opposite in terms of visibility

  • thinner

    of fog, smoke, or mist that is dispersing

文法句型

get/grow thicker

thicker [noun]

用法筆記

Describes opacity or impenetrability to light. Common with weather nouns (fog, mist, cloud) and atmospheric conditions.

4. (of a liquid) flowing less easily than something else; having a more solid or le

4.形容詞B1
釋義

(of a liquid) flowing less easily than something else; having a more solid or less watery consistency.

例句

The paint needs to be thicker so that it does not drip off the brush.

After Xiu added cornstarch, the sauce became thicker and coated the noodles perfectly.

became thicker: increasing viscosity through cooking

同義詞
  • more viscous

    formal/scientific term; less common in everyday speech

  • stiffer

    used for mixtures like dough or cement

  • creamier

    positive connotation in food contexts

反義詞
  • runny

    opposite for liquids; not a comparative form

  • wetter

    suggests higher water content and thinner consistency

文法句型

get thicker

become thicker

thicker [noun]

用法筆記

Common in cooking and industrial contexts. The comparative is formed regularly (thicker), never 'more thick'.

5. having a heavier, stockier, or more muscular body shape than something or someon

5.形容詞B1
釋義

having a heavier, stockier, or more muscular body shape than something or someone else.

例句

After six months of weight training, Quinn's shoulders looked noticeably thicker.

The wrestler was thicker through the chest and arms than any of his opponents.

'thicker through the [body part]': describing physique

同義詞
  • stockier

    more specific to short, solid build

  • beefier

    informal; positive connotation of muscularity

  • heavier

    neutral; can refer to weight rather than shape

反義詞
  • slimmer

    opposite in body shape; positive connotation

  • leaner

    implies less body fat; not directly opposite

文法句型

be thicker

look thicker

get thicker

用法筆記

Not necessarily negative — can be neutral or even admiring (e.g. an athlete's build). 'Thicker' in this sense overlaps with 'more solid' or 'stockier' rather than 'fatter'.

常見錯誤

He is more thick than his brother.
He is thicker than his brother.
💡Even in the body-build sense, the comparative is formed with -er.

6. more stupid or slow to understand than someone else — used in informal, often in

6.形容詞B1
釋義

more stupid or slow to understand than someone else — used in informal, often insulting comparisons.

例句

Rafael kept acting thicker than he really was by asking silly questions about the office printer.

informal comparative: 'thicker than' for stupidity

Tunde felt thicker than everyone else in the calculus class, so he hired a tutor.

同義詞
  • dumber

    more common in American English; similarly informal

  • slower

    milder; can refer to processing speed rather than inherent intelligence

反義詞
  • smarter

    direct opposite in informal register

  • sharper

    implies quick understanding; positive connotation

文法句型

be thicker than [noun]

thicker than

用法筆記

Bluntly insulting in most contexts. Avoid with strangers or in formal settings. The positive form 'thick' is also used this way in British English.

常見錯誤

He is more thick than his brother.
He is thicker than his brother.
💡Even in the informal sense, the comparative is irregular and uses -er.

7. (of a person's voice or speech) less clear and more difficult to understand than

7.形容詞B2
釋義

(of a person's voice or speech) less clear and more difficult to understand than usual, often because of illness, alcohol, or strong emotion.

例句

After three glasses of wine, Hamza's speech became thicker and harder to follow.

Priya's voice was thicker than usual because of the terrible cold she had caught.

同義詞
  • more slurred

    more clinical; specifically about poor articulation

  • heavier

    overlaps for accent; more common for foreign-sounding speech

反義詞

文法句型

get thicker

become thicker

sound thicker

用法筆記

Used for speech that is physically harder to articulate or understand. Not used for speech that is intellectually hard to understand — that is sense 6.

8. on closer or more intimate terms with someone; having a stronger bond of friends

8.形容詞B2
釋義

on closer or more intimate terms with someone; having a stronger bond of friendship or loyalty.

例句

Iris and Eliska grew thicker over the years, visiting each other every summer despite living on different continents.

Tariq and Léa became thicker than siblings after sharing a flat for three years.

'thicker than [family relation]': idiom for close bond

同義詞
  • closer

    more common and neutral; not restricted to informal contexts

  • tighter

    informal; suggests a very strong bond

反義詞

文法句型

be/get thicker with [someone]

thicker than

用法筆記

Almost always used in the phrase 'thick with' or the idiom 'thick as thieves' (very close friends who share secrets). The comparative 'thicker' extends the idiom naturally.

常見錯誤

They are more thick than before.
They are thicker than before.
💡Use -er even in the abstract sense.

thicker — adverb

thicker — noun