異(い)

い
noun
objection, dissent
formalcognition
1. objection, dissent
A statement of disagreement or opposition.
To raise an objection.
Formal expression
There is no room for objection.
異(い)なし。
No objection.
Formal/legal
2. different, unusual (as a prefix in compounds)
Used as a prefix in compound words such as 異常 (abnormal) and 異文化 (different culture), not as a standalone noun sense.
A different culture.
That is a different matter.

異(い) has two main uses: as a noun meaning "objection" and as a prefix/modifier meaning "different" or "unusual." It appears frequently in formal and literary contexts.

AS "OBJECTION":

AS "DIFFERENT/UNUSUAL" (prefix in compounds):

Usage

異(こと)なる is a literary/formal equivalent of 違(ちが)う (different). It appears in written language: 異(こと)なる文化(ぶんか) (a different culture).