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

As for a celebration, Garfield intends to keep the day mellow. — Rachel Raposas, PEOPLE, 30 July 2026

Pour shrub into a clean jar; cover with lid and chill until flavors come together and mellow, about 1 week. — Christina Chaey, Bon Appetit Magazine, 23 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)