adverbial noun:

• January

noun:

• one long cylindrical thing; one film, TV show, etc.; one goal, home run, etc.; one telephone call ➜ 本【ほん】
• one version
• one book; a certain book
• ippon; one point; a blow - Martial Arts term
• experienced geisha ➜ 半玉【はんぎょく】

suffix noun:

• single-minded focus on ... - after a noun, usu. as 〜一本で, 〜一本に, etc.

adverbial noun:

• once; one time; one round; one game; one bout; one heat; one inning

noun:

• 100,000,000; one hundred million

noun / ~の noun:

• first place; first rank; unit's position ［いちい］

noun:

• Japanese yew (Taxus cuspidata) - usu. イチイ, also 櫟 - usually written using kana alone

noun / ~の noun:

• link (e.g. a part of a larger plan)

adverbial noun / temporal noun:

• (a) step
• level; stage
• small degree; small amount

noun:

• one floor; first floor

adverbial noun / temporal noun:

• tanka; poem

noun:

• one thin flat object; one sheet

adverbial noun / noun:

• one effort; one action

noun:

• corner; section; point; part ［いっかく］
• one horn ［いっかく］
• narwhal (Monodon monoceros) - usually written using kana alone

noun:

• person; member

noun:

• first base - Baseball term
• first baseman - abbreviation - Baseball term ➜ 一塁手
• one fort

noun:

• ballot; vote

noun:

• (one) line; (one) row

noun:

• shot; charge; explosion
• blow; punch
• home run - Baseball term

noun / adverbial noun:

• try; attempt

noun:

• win on the first go-around after calling riichi - Mahjong term

noun:

• line

noun:

• first instance; first trial

noun / ~の noun:

• party; clique

adverbial noun / temporal noun:

• one night; all night; overnight; one evening

noun:

• cause

noun:

• one yen

suffix / adverb:

• throughout (an area); whole district

adjectival noun / adverbial noun / temporal noun:

• whole country
• hotheaded; stubborn ➜ 一刻

noun:

• speck; dot; point; only a little; particle; only one