Synonyms of lightness

lightness 1 of 2

noun (1)

1

as in slightness

the state or quality of having little weight

the first thing I noticed about the little bird was its lightness; I could hardly tell I was holding it in my hand

Synonyms & Similar Words

• slightness
• weightlessness
• fluffiness
• airiness
• ethereality
• delicacy
• insubstantiality
• etherealness
• flimsiness

Antonyms & Near Antonyms

• heaviness
• weightiness
• massiveness
• solidity
• ponderousness
• substantiality
• solidness
• heftiness

2

as in cheerfulness

a lack of seriousness often at an improper time

the inappropriate lightness of the anchorman's tone while he was reading the story of the freak accident in which people had died

Synonyms & Similar Words

• cheerfulness
• glee
• levity
• silliness
• frivolity
• flippancy
• frivolousness
• facetiousness
• festivity
• flightiness
• cheer
• lightheartedness
• mirth
• gayety
• frothiness
• light-headedness
• childishness
• light-mindedness
• joviality
• hilarity
• goofiness
• gaiety
• mirthfulness
• merriment
• gleefulness
• puerility
• high-spiritedness

Antonyms & Near Antonyms

• gravity
• seriousness
• earnestness
• solemnity
• soberness
• sadness
• melancholy
• solemnness
• unhappiness
• depression
• gloom
• dejection
• moroseness
• despondency
• gloominess
• sullenness
• joylessness
• heartsickness
• dispiritedness
• downheartedness
• mopes

lightness

2 of 2

noun (2)

ˈlīt-nəs 

as in brightness

the quality or state of having or giving off light

the photographer was concerned that the lightness of the background would cast the main subject into shadow

Synonyms & Similar Words

• brightness
• brilliancy
• brilliance
• illumination
• luminosity
• light
• lustre
• radiance
• glow
• luminousness
• luminance
• candor
• luster
• glare
• effulgence
• glint
• splendor
• dazzle
• lambency
• gleam
• refulgence
• lustrousness
• flicker
• luminescence
• fluorescence
• sheen
• twinkle
• incandescence
• flame
• blaze
• flare
• glimmer
• shimmer
• sparkle
• fire
• flash
• gloss
• polish
• shininess
• shine
• glitter
• scintillation
• burnish
• glisten

Antonyms & Near Antonyms

• blackness
• dullness
• darkness
• dulness
• dark
• duskiness
• dimness
• somberness
• gloominess
• haziness
• cloudiness
• obscurity
• murkiness
• paleness
• grayness
• colorlessness
• obscureness
• shadiness
• shadowiness
• lackluster

Example Sentences

Recent Examples of lightness

Noun

At last, a bit of fizz and lightness, a sliver of dawn at the end of a velvet night. —Helen Rosner, New Yorker, 12 Oct. 2025

Steel was used for the house’s structure, for its recyclability but also for lightness. —Lily Templeton, Footwear News, 11 Oct. 2025

Balance the lightness of the color with a rich, deep blue to keep the outfit firmly grounded in a fall or winter look. —Marilú Almaguer, Glamour, 11 Oct. 2025

With that lightness, making that headlong dive into uncertainty got easier. —Sarah Chamberlain, PEOPLE, 10 Oct. 2025