swelled; swelled or swollen
ˈswō-lən 
; swelling
; swelling
1
a
: to expand (as in size, volume, or numbers) gradually beyond a normal or original limit
the population swelled
b
: to become distended or puffed up
her ankle is badly swollen
c
: to form a bulge or rounded elevation
2
a
: to become filled with pride and arrogance
b
: to behave or speak in a pompous, blustering, or self-important manner
c
: to play the swell
3
: to become distended with emotion
1
: to affect with a powerful or expansive emotion
2
: to increase the size, number, or intensity of
swell the applicant pool
1
: a long often massive and crestless wave or succession of waves often continuing beyond or after its cause (such as a gale)
2
a
: the condition of being protuberant
b
: a rounded elevation
3
a
: the act or process of swelling
b(1)
: a gradual increase and decrease of the loudness of a musical sound
also
: a sign indicating a swell
(2)
: a device used in an organ for governing loudness
4
a
archaic
: an impressive, pompous, or fashionable air or display
b
: a person dressed in the height of fashion
c
: a person of high social position or outstanding competence
Synonyms
Verb
- accelerate
- accumulate
- appreciate
- balloon
- boom
- build up
- burgeon
- bourgeon
- climb
- enlarge
- escalate
- expand
- gain
- increase
- mount
- multiply
- mushroom
- proliferate
- rise
- roll up
- snowball
- spread
- wax
Noun
Adjective
- A-OK
- A1
- awesome
- bang-up
- banner
- beautiful
- blue-chip
- blue-ribbon
- boffo
- bonny [chiefly British]
- bonnie
- boss [slang]
- brag
- brave
- bully
- bumper
- capital
- choice
- classic
- cool [slang]
- corking
- crackerjack
- cracking
- dandy
- divine
- dope [slang]
- down [slang]
- dynamite
- excellent
- fab
- fabulous
- famous
- fantabulous [slang]
- fantastic
- fine
- first-class
- first-rate
- first-string
- five-star
- four-star
- frontline
- gangbusters
- gangbuster
- gilt-edged
- gilt-edge
- gone [slang]
- grand
- great
- groovy
- heavenly
- high-class
- hot
- hype [slang]
- immense
- jim-dandy
- keen
- lovely
- marvelous
- marvellous
- mean
- neat
- nifty
- noble
- number one
- No. 1
- numero uno
- out-of-sight [slang]
- par excellence
- peachy
- peachy keen
- phat [slang]
- prime
- primo [slang]
- prize
- prizewinning
- quality
- radical [slang]
- righteous [slang]
- sensational
- slick
- splendid
- stellar
- sterling
- superb
- superior
- superlative
- supernal
- terrific
- tip-top
- top
- top-notch
- top-of-the-line
- top-shelf
- topflight
- topping [chiefly British]
- unsurpassed
- wizard [chiefly British]
- wonderful
Examples of swell in a Sentence
Verb
Her broken ankle swelled badly.
Heavy rains swelled the river.
The population has swelled in recent years.
The economy is swelling at an annual rate of five percent.
Immigrants have swelled the population.
Noun
The storm has brought high winds and heavy swells along the coast.
the swell of a pregnant woman's belly
a swell in the population
the swell of the music
Adjective
That was a swell party.
what a swell time we had at the country club dance
Recent Examples on the Web
Angel Saunders, Peoplemag, 19 Apr. 2024
The red giant swells in size, its temperature and pressure increasing, and starts to eject its outer layers.
—Will Sullivan, Smithsonian Magazine, 19 Apr. 2024
See all Example Sentences for swell 
Verb
According to a synopsis shared by Deadline, the film follows a detective (Pratt) who is accused of a violent crime and must prove his innocence in a future where capital crime has swelled.
—Angel Saunders, Peoplemag, 19 Apr. 2024
The red giant swells in size, its temperature and pressure increasing, and starts to eject its outer layers.
—Will Sullivan, Smithsonian Magazine, 19 Apr. 2024
See all Example Sentences for swell
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'swell.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Articles Related to swell
Dictionary Entries Near swell
Cite this Entry
“Swell.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/swell. Accessed 3 May. 2024.
Copy CitationKids Definition
swell
1 of 3 verb
swelled; swelled or swollen
ˈswō-lən
; swelling
; swelling
1
a
: to expand (as in size, volume, or numbers) gradually beyond a normal or original limit
rivers swollen by rain
the population swelled
b
: to become abnormally enlarged or puffed up
the sprained ankle swelled badly
c
: to form a bulge or lump
2
: to fill or become filled with pride
3
: to fill or become filled with emotion
his heart was swollen with jealousy
swell
2 of 3 noun1
a
: a rounded lump
b
: the condition of bulging
2
: a long rolling wave or series of waves in the open sea
3
: a gradual increase and decrease of the loudness of a musical sound
also
: a sign marking a swell
4
: a fashionably dressed person
swell
3 of 3 adjective
: very good : excellent
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