noun which may take the genitive case particle 'no', noun
Used as a no-adjective or noun to describe something that exists or is present at the current moment, often in contrast to what is ideal or planned. Common in phrases like ありのまま (as it is) or 現状あり (current state).
See also: ある
ありのままの自分を見せるのは難しい。
It's hard to show your true self as you are.
現状ありの数字を報告します。
I will report the numbers as they currently stand.
na-adjective, noun
Colloquial use, often as a response or evaluation meaning something is okay or good enough. Can be used like それでいい (that's fine) but with a more casual, abbreviated feel.
このプランでまあありかな。
I guess this plan is alright.
彼の提案もありだと思う。
irregular -ru verb (-ri ending), intransitive verb
Formal or literary verb form equivalent to ある, used for inanimate objects or abstract existence. Also covers 'to have' in the sense of possession or existence. Rare in modern speech; mostly found in written or stylized contexts.
昔、ここに大きな城がありと伝えられる。
It is said that long ago there was a large castle here.
I think his suggestion is acceptable too.
我々にはまだ希望があり。
We still have hope.
The classical terminal form (終止形) of the verb あり (modern ある). The nominal and adjectival uses derive from this base form.