Synonyms of mellow

mellow 1 of 2

adjective

ˈme-(ˌ)lō 

1

as in melodic

having a pleasantly flowing quality suggestive of music

the mellow tones of an old violin

Synonyms & Similar Words

• melodic
• lyrical
• lyric
• musical
• melodious
• mellifluous
• sweet
• euphonious
• mellifluent
• dulcet
• golden

Antonyms & Near Antonyms

• harsh
• strident
• disconnected
• dissonant
• discordant
• jarring
• inharmonious
• unlyrical
• unmusical
• staccato
• grating
• unmelodious

2

as in gentle

not harsh or stern especially in nature or effect

a teacher with a mellow approach to classroom discipline

mellow soaps

Synonyms & Similar Words

• gentle
• soothing
• soft
• mild
• light
• benign
• quiet
• bland
• delicate
• smooth
• balmy
• calm
• serene
• peaceful
• tender
• tranquil
• placid
• nonabrasive
• compassionate
• easy
• merciful
• pacific
• lenient
• softening
• sleek
• slick
• clement
• emollient
• buffering
• cushioning

Antonyms & Near Antonyms

• intense
• harsh
• hard
• rough
• powerful
• caustic
• coarse
• abrasive
• stern
• severe
• violent
• scathing
• fierce
• exquisite
• strong
• forceful
• savage
• forcible
• ungentle
• rugged
• irritating
• gruff
• stiff
• grim
• rude
• roughened
• oppressive
• pitiless
• tyrannical
• roughening
• abrading
• heavy-handed

3

as in pleasant

having an easygoing and pleasing manner especially in social situations

mellow and unflappable, the office manager greatly contributes to the work environment

Synonyms & Similar Words

• pleasant
• gracious
• nice
• sweet
• amiable
• friendly
• agreeable
• affable
• cheerful
• good-natured
• gentle
• delightful
• genial
• attractive
• good-tempered
• clever
• kind
• polite
• well-disposed
• thoughtful
• benign
• enjoyable
• civil
• cordial
• amicable
• cheery
• sunny
• neighborly
• courteous
• sociable
• considerate
• glad
• likable
• companionable
• conversable
• amenable
• obliging
• accommodating

Antonyms & Near Antonyms

• unpleasant
• disagreeable
• surly
• ungracious
• unamiable
• unkind
• irritable
• rude
• unsociable
• inconsiderate
• boorish
• grumpy
• grouchy
• discourteous
• petulant
• unmannerly
• cranky
• uncivil
• bilious
• snappish
• irascible
• cantankerous
• touchy
• fussy
• peevish
• ungenial
• choleric
• testy
• impolite
• crabby
• dyspeptic
• contrary
• churlish
• ornery
• ill-tempered
• bearish
• contentious
• argumentative
• querulous
• ill-natured
• sour
• unattractive
• ill-mannered
• unappealing
• ill-humored
• vinegary
• quick-tempered

4

as in unaffected

having a relaxed, casual manner

a mellow crowd sat on the grass and enjoyed the music coming from the band shell

Synonyms & Similar Words

• unaffected
• casual
• nonchalant
• easygoing
• informal
• breezy
• flexible
• familiar
• affable
• low-pressure
• laid-back
• happy-go-lucky
• warm
• carefree
• devil-may-care
• soft
• untroubled
• lackadaisical
• unperturbed
• lenient
• unconcerned
• homey
• permissive
• approachable
• pliant
• accessible
• unworried
• pliable
• lax
• unfussy
• companionable
• imperturbable
• unflappable
• cordial
• genial
• amicable
• neighborly
• unshakable
• hearty
• dégagé
• warmhearted
• nerveless
• comradely
• hail-fellow-well-met

Antonyms & Near Antonyms

• uptight
• formal
• strict
• rigid
• anxious
• decorous
• high-strung
• ceremonious
• distressed
• nervous
• bothered
• worried
• tense
• jumpy
• jittery
• skittish

mellow

2 of 2

verb

as in to mature

Related Words

• mature
• soften
• ripen
• grow
• grow up
• flower
• age
• blossom
• progress
• bloom
• flourish
• develop
• gray
• open
• evolve
• get along
• unfold
• get on
• burgeon
• advance

Dissimilar Words

• decay
• dry
• decline
• deteriorate
• degenerate
• fade
• sink
• worsen
• waste (away)
• weaken
• wilt
• wane
• sag
• wither
• revert
• shrivel
• flag
• return
• droop
• regress
• lapse
• retrogress
• backslide

Example Sentences

Recent Examples of mellow

Adjective

Best known for his angelic voice that plays on R&B and pop, WONHO seems to be testing out something new, bordering on dance, EDM, club, house, mellow pop, and hyper-pop. — Laura Sirikul, Forbes.com, 21 July 2026

Both sets of accommodations have their own helipad and fleet of helicopters which can access VHSG’s 10,000 square miles of terrain, which includes everything from mellow glacier runs to steep spines. — Jen Murphy, Travel + Leisure, 20 July 2026

Verb

Softening the red onion in hot water, vinegar, sugar, and salt helps to mellow its raw flavor, while keeping its crunchy texture. — Erin Merhar, Southern Living, 13 June 2026

Fatherhood gave him a different perspective, and the lack of regular wins in later years seemed to mellow him. — Jordan Bianchi, New York Times, 21 May 2026

Phrases Containing mellow

• mellow (out)