異い

noun, na-adjective

difference; disagreement

Used in formal or written contexts to indicate a difference of opinion or a discrepancy. Often appears in compounds like 異議 (objection) or 異論 (different opinion).

• 両りょう者しゃの意い見けんには異いがある。

  There is a difference of opinion between the two parties.

na-adjective

strange; odd; unusual

Describes something that deviates from the norm, often with a nuance of peculiarity. Commonly used in the adjectival noun form 異だ or 異な.

• 彼かれの行こう動どうは異いだ。

  His behavior is strange.

• 異いな雰ふん囲い気きを感かんじた。

  I felt an unusual atmosphere.

prefix

different; other

Prefix used in compounds to mean 'different' or 'other', such as 異文化 (different culture) or 異世界 (another world). Not used as a standalone word in this sense.

• 異い文ぶん化かコミュニケーションは難むずかしい。

  Cross-cultural communication is difficult.