na-adjective
agile; nimble; light on one's feet
Describes a person or animal moving easily and quickly, unencumbered by heavy clothing or physical burden.
彼は身軽に階段を駆け上がった。
He nimbly ran up the stairs.
薄着だと体が
When dressed lightly, my body feels agile.
na-adjective
Refers to clothing or luggage that is light and easy to carry, or a state of having little to carry.
身軽な服装でハイキングに出かけた。
I went hiking in light, casual clothes.
荷物が少なくて身軽だ。
With little luggage, I feel unencumbered.
na-adjective
carefree; unburdened; with few responsibilities
Describes a mental or social state of being free from heavy duties, worries, or obligations.
定年退職して身軽になった。
After retiring, I feel carefree and unburdened.
独身のうちは身軽に旅行できる。
While single, you can travel light and carefree.