noun
one step; a single step
Refers to one footstep or the act of stepping once. In ordinary counting of steps, 一歩 is more common, while 一足 often has a slightly written or set-phrase feel.
雪道を一足一足確かめながら進んだ。
He moved along the snowy road, checking each step carefully.
noun
Used for a small physical distance, often with expressions like ほんの一足 or あと一足. It can sound more idiomatic or literary than simply saying 少し.
宿から海まではほんの一足だ。
The sea is only a short distance from the inn.
noun
a short time; a little earlier or later
Common in fixed expressions about a small difference in timing, such as 一足先に, 一足遅く, and 一足違い.
一足先に失礼します。
I'll excuse myself a little ahead of you.
一足違いで電車に乗れなかった。
I missed the train by just a moment.