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• withdrawn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

As a result, many people stock up on reusable bags made from canvas, cloth or thicker plastic. — ABC News, 21 Sep. 2026

Some regions were hotter and covered by thinner clouds, while cooler regions had thicker clouds extending higher through the atmosphere. — Stefanie Waldek, Space.com, 21 Sep. 2026

Noun

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

Thrown into the thick of a ballet season, the dancer explained that there wasn’t time to be lonely. — Los Angeles Times, 29 June 2026

Phrases Containing thick

• in the thick of
• thick on the ground