noun
one side; the other side; one party
Refers to one of two sides, directions, or parties. Often used in contrastive pairs (一方…他方…).
道の一方は工事中だった。
One side of the road was under construction.
一方の意
It's not good to listen to only one party's opinion.
conjunction
on the one hand; on the other hand
Used to present contrasting points, often in the pattern 一方で or 一方、. The second part may be implied.
See also: 他方
彼は優しい。一方で、厳しいところもある。
He is kind. On the other hand, he can be strict.
conjunction
Connects two clauses to show a contrast or simultaneous situation. Similar to sense 2 but often used mid-sentence without explicit pairing.
兄はスポーツが得意だ。一方、弟は勉強が得意だ。
The older brother is good at sports, whereas the younger brother is good at studying.
noun, noun, used as a suffix, adverb
keep on ...ing; tend to ...; only ...
Attaches to nouns, adjective stems, or plain verbs to indicate a continuing trend or one-sided change. Often used for undesirable or unstoppable tendencies.
物価は上がる一方だ。
Prices just keep rising.
彼の病状は悪くなる一方だった。
His condition only got worse.