Jauntiness

n.joyful, energeticliterary

What it means

A cheerful, lively, and casually confident quality.

Reach for it when naming buoyant style in movement, dress, music, or manner

The tune's jauntiness made even the tired walkers smile.

playful
pep
brisk cheerful energy should sound informal
not when Pep can sound juvenile and omits the stylish quality.
everyday
liveliness
visible animation is the broad quality
not when Liveliness can be restless and lacks jauntiness's confident style.
warm
cheerfulness
good spirits are the defining impression
not when Cheerfulness can be quiet and carries no jaunty swagger.
formal
buoyancy
emotional or rhythmic lightness keeps the effect afloat
not when Buoyancy is gentler and says little about fashionable informality.
formal
panache
confident stylish flair commands attention
not when Panache is more sophisticated and less innocent than jauntiness.
literary
sprightliness
light energetic movement suits traditional prose
not when Sprightliness is rare and can sound patronizing about age.

touch of jauntiness
The tilted brim added a touch of jauntiness to the costume.
rhythmic jauntiness
Rhythmic jauntiness kept the march light on its feet.
jauntiness of manner
Her jauntiness of manner relaxed the room without trivializing the news.

Jauntiness can suggest affected confidence or inadequate seriousness.

The definition and the example on this page are written here. The dictionaries above ground which meaning is being described, not the wording.