(いっぽう)

いっぽう
noun/conjunction
one side, on the other hand, while
1. one side, one party
One of two sides or parties.
You can't understand from just one side's story.
一方(いっぽう)賛成(さんせい)一方(いっぽう)反対(はんたい)だ。
On one hand there's agreement, on the other hand opposition.
If you don't listen to both sides, you'll be biased toward one.
2. on the other hand, while, meanwhile
Used to contrast two things or indicate simultaneous actions.
一方(いっぽう)賛成(さんせい)一方(いっぽう)反対(はんたい)だ。
On one hand there's agreement, on the other hand opposition.
While he studies, he also does sports.
Conjunctive usage
While the urban population is growing, the rural population keeps declining.
3. only, keep ~ing
Used after verb dictionary form to indicate continuous action in one direction.
物価(ぶっか)()がる一方(いっぽう)だ。
Prices keep going up.
Verb + 一方(いっぽう)だ pattern
Environmental problems just keep getting worse.
The population of this area just keeps declining, so the number of schools is decreasing too.

一方(いっぽう) has multiple uses as noun, conjunction, and in grammar patterns.

AS NOUN:

  • 一方(いっぽう)の (one side's)
  • 一方(いっぽう)だけ (only one side)

AS CONJUNCTION:

  • 一方(いっぽう)で (on the other hand, while)
  • Connects contrasting or simultaneous facts

GRAMMAR PATTERN:

  • Verb dictionary form + 一方(いっぽう)
  • Indicates continuous change in one direction
  • Example: ()える一方(いっぽう)だ (keeps increasing)