Na-adjective (keiyodoshi), Nounvoluntary; optional; free; elective

Godan verb with 'u' ending, Intransitive verbto obey (an order, law, etc.); to abide by (a rule, custom, etc.); to follow; to observe; to conform to; to yield to · to follow (a person); to accompany; to go with · to go alongside (e.g. a river); to follow (e.g. a sign)

Nounbest; greatest; first

Adverb (fukushi)whenever necessary; as needed; as required; as occasion demands · at any time; at all times

Nouneverywhere; all over the place; here and there; at every turn