単

simple; easy; uncomplicated

brief; quick; light

simple; plain; uncomplicated; straightforward; simple-minded; naive

simply; merely; only; solely

Pre-noun adjectival (rentaishi)

mere; simple; sheer

word; vocabulary

Common noun

unit; denomination

Common noun

credit (in school)

Suffix

in units of (e.g. "in thousands"); in amounts of

Nouns which may take the genitive case particle 'no'; Adjectival nouns or quasi-adjectives (keiyodoshi)

sole; single; solo

Common noun

independence; singleness; singularity

Prefix

single; simple

Abbreviation; Common noun

singles (tennis, badminton, etc.)

Abbreviation; Common noun

win bet (bet which predicts the winner of a race)

monotony; monotone; dullness

Mathematics

monotone; monotonic

alone; by oneself; unaccompanied; unaided; single-handed; without one's family

simple substance (e.g. chemical)

something standing alone; separate item; solo item

independently; individually; separately; alone; singlehanded; unassisted

straight to the point; point-blank; frank; direct

simply put; putting it simply; in short

very easily

independent action; acting alone

simply put

standalone book (i.e. not part of an anthology, series, etc.); (book published as a) single volume

tankōbon; individual volume of a manga series

single; simple; sole; individual; unitary

tabi; traditional split-toe socks

single horseman

Mahjong

wait for one tile to finish one's pair and one's hand; wait for half of one's pair with four melds completed

firing one shot at a time; single-shot gun

having only one engine; single-engined aeroplane; single-engined airplane

one-shot (e.g. story); non-serial; one-off; single occasion

Nouns which may take the genitive case particle 'no'

one layer; single layer

Nouns which may take the genitive case particle 'no'

monopetalous

Abbreviation; Usu. 単

unlined kimono

Abbreviation

single-edged eyelid; eyelid with an epicanthic fold; upper eyelid with no fold

unit price; unit cost