Synonyms of thick

thick 1 of 2

adjective

ˈthik 

1

as in fat

having or being of relatively great depth or extent from one surface to its opposite

a thick board was laid across the pit

Synonyms & Similar Words

• fat
• dense
• wide
• chunky
• deep
• bulky
• broad
• blocky
• thickish
• hefty
• blockish

Antonyms & Near Antonyms

• thin
• slender
• narrow
• skinny
• slim
• shallow

2

as in viscous

being of a consistency that resists flow

thick maple syrup for pancakes

Synonyms & Similar Words

• viscous
• sticky
• heavy
• syrupy
• ropy
• viscid
• condensed
• thickened
• creamy
• turbid
• thickish
• undiluted
• gelatinous
• glutinous
• gooey
• concentrated
• slushy
• gummy
• gluey
• semifluid
• semiliquid
• jellylike

Antonyms & Near Antonyms

• thin
• watery
• runny
• fluid
• flowing
• soupy
• liquid
• weak
• dilute
• diluted
• watered-down

3

as in close

closely acquainted

those two have been thick since grade school

Synonyms & Similar Words

• close
• familiar
• intimate
• tight
• friendly
• bosom
• inseparable
• chummy
• inward
• near
• comfortable
• especial
• loving
• buddy-buddy
• social
• affectionate
• clannish
• easy
• dear
• hearty
• cordial
• companionable
• warm
• convivial
• gracious
• cozy
• tight-knit
• close-knit
• affable
• boon
• gregarious
• genial
• secretive
• confidential
• snug
• adoring
• amicable
• neighborly
• sociable
• fond
• devoted
• tender
• tenderhearted

Antonyms & Near Antonyms

• distant
• cold
• distant
• withdrawn
• remote
• cool
• detached
• frosty
• unfriendly
• aloof
• antisocial
• reserved
• standoffish
• unsociable

4

as in wide

having a greater than usual measure across

cross your name off the list with a really thick line so I can see it

Synonyms & Similar Words

• wide
• broad
• extensive
• fat
• expansive
• sweeping
• voluminous
• spacious
• commodious
• sizable
• substantial
• roomy
• oversize
• tidy
• outsize

Antonyms & Near Antonyms

• thin
• slender
• narrow
• skinny
• slim
• fine
• hairlike
• paper-thin
• tight
• needlelike
• compressed
• close
• squeezed
• elongate
• tightened
• condensed
• constricted
• slim-jim
• small
• hairline
• reedlike
• contracted
• attenuated
• smallish
• undersized
• bottleneck
• attenuate

5

as in dense

having little space between items or parts

a hedge thick with gorse bushes

Synonyms & Similar Words

• dense
• crowded
• packed
• tight
• close
• compact
• serried
• jammed
• jam-packed
• solid
• pressed
• compressed
• squeezed
• overcrowded
• crammed
• compacted
• crushed
• condensed
• massed
• congested
• airtight
• hard
• wall-to-wall
• impenetrable
• snug
• impermeable
• impervious
• firm

Antonyms & Near Antonyms

• loose
• open
• airy
• spacious
• uncrowded
• roomy
• commodious

6

as in slow

not having or showing an ability to absorb ideas readily

couldn't believe that his guests were so thick that they were missing his hints that it was time to leave

Synonyms & Similar Words

• slow
• dumb
• stupid
• dense
• simple
• dull
• soft
• opaque
• ignorant
• foolish
• obtuse
• dim
• vacuous
• idiotic
• unintelligent
• thickheaded
• fatuous
• dopey
• silly
• unreasonable
• doltish
• mindless
• dorky
• oafish
• brainless
• senseless
• brain-dead
• witless
• boneheaded
• insane
• crazy
• mad
• bonehead
• irrational
• thick-witted
• weak-minded
• pinheaded
• gormless
• dim-witted
• slow-witted
• dunderheaded
• lamebrain
• softheaded
• knuckleheaded
• empty-headed
• airheaded
• bubbleheaded
• unsmart
• lunkheaded
• half-witted
• chuckleheaded
• moronic
• absurd
• birdbrained
• cretinous
• feebleminded
• simpleminded
• uneducated
• imbecile
• uninformed
• cuckoo
• nutty
• unthinking
• unintellectual
• fool
• illiterate
• lowbrow
• dippy
• zany
• balmy
• sappy
• wacky
• untaught
• illogical
• asinine
• dotty
• nonsensical
• loony
• unwise
• preposterous
• boobish
• daffy
• kooky
• invalid
• daft
• fallacious
• screwball
• cockeyed
• crackpot
• harebrained
• featherheaded
• half-baked
• tomfool

Antonyms & Near Antonyms

• sharp
• bright
• fast
• quick
• brilliant
• intelligent
• smart
• clever
• apt
• nimble
• keen
• acute
• ingenious
• wise
• resourceful
• knowing
• cerebral
• intellectual
• thinking
• keen
• insightful
• perceptive
• sage
• brainy
• sagacious
• astute
• skilled
• savvy
• erudite
• knowledgeable
• scholarly
• ultrasmart
• learned
• discerning
• literate
• quick-witted
• sound
• sharp-witted
• supersmart
• trained
• cunning
• hyperintelligent
• informed
• reasonable
• educated
• shrewd
• wily
• perspicacious
• valid
• sensible
• judicious
• crafty
• highbrow
• sapient
• logical
• prudent
• percipient
• well-read
• sane
• rational
• foxy
• schooled

7

as in filled

possessing or covered with great numbers or amounts of something specified

a meadow thick with wildflowers

Synonyms & Similar Words

• filled
• crowded
• packed
• abundant
• bursting
• jammed
• stuffed
• crammed
• saturated
• teeming
• swarming
• fraught
• awash
• rife
• replete
• lousy
• flush
• bulging
• loaded
• abounding
• busy
• brimming
• thronging
• buzzing
• full
• congested
• chock-full
• overstuffed
• clogged
• fat
• overcrowded
• overladen
• overflowing
• lively
• overloaded
• overfilled
• overfull
• jam-packed
• humming
• bustling
• animated
• surfeited
• alive
• astir

Antonyms & Near Antonyms

• blank
• empty
• bare
• barren
• devoid
• void
• stark
• vacant
• short
• depleted
• insufficient
• incomplete
• drained
• deficient
• exhausted

thick

2 of 2

noun

as in midst

the most intense or characteristic phase of something

in the thick of winter many Northerners are dreaming of tropical islands

Synonyms & Similar Words

• midst
• middle
• height
• deep
• depth
• center
• heart

Example Sentences

Recent Examples of thick

Adjective

Engineers trying to support swelling AI workloads, video streaming, and cloud services often add thicker cables with more fiber pairs. — Mrigakshi Dixit, Interesting Engineering, 19 Oct. 2026

Associated Press reporters saw thick black smoke rising from cars, bicycles, other vehicles and trash bins on fire. — Sylvie Corbet, Arkansas Online, 18 Oct. 2026

Noun

The move comes with Miami still trying to stay in the thick of the National League wild card race. — Jordan McPherson, Miami Herald, 23 Aug. 2026

With that, and with their walk-off in San Diego, the Padres leapt from the cusp of the wild-card picture to the thick of it. — Dennis Lin, New York Times, 13 Aug. 2026

Phrases Containing thick

• in the thick of
• thick on the ground