一つone; for one thing; only; (not) even; just (e.g. "just try it"); some kind of; one type of
Numeric
一つ一つone-by-one; separately; in detail
Adverb
一つ覚えknowing only one thing (and repeating it often); saying the only thing one knows (at every opportunity); repeating the only thing one knows
Noun
一つ星one star (rating); evening star; morning star
Noun
一つも(not) a single one; (not) any; (not) at all; (not) in the slightest; (not) the least bit
Adverb
一つ目one-eyed; first (in a series); initial
No-adjective
一つ穴same hole (in which to live); gang; group
Noun
一つ釜one or the same pot; eating or living together
Noun
一つ家one house; the same house; detached house
Noun
一つ心one mind; the whole heart; wholeheartedness
Noun
一つ置きalternate; every other one
Noun
一つ二つone or two; a few; small number
Noun
一つ書きan item; itemization; itemisation
Noun
一つずつone by one; one each; one at a time
Adverb
一つにはfor one thing ...
Expression
一つながりconnected as one; unbroken; linked together
No-adjective
一つ葉田子Chinese fringe tree (Chionanthus retusus)
Noun
一つ着る物one's only good set of clothes (suit, kimono, etc.)
Expression
一つとして(not) a single one; (not) any; (not) at all; (not) in the slightest; (not) the least bit
Expression
一つとってもone example of (when there are more examples)
Expression
一つ屋根の下(in the) same house; (under the) same roof
Expression
一つにかかってdepends entirely on; depends above all on
Expression