一 方 的(いっぽうてき)

いっぽうてき

na-adjective

one-sided, unilateral

1. one-sided, unilateral

Describing something that comes from or favors only one side, without balance or reciprocity. Used for communication, decisions, relationships, or actions that lack mutual participation.

一方的(いっぽうてき)に話(はな)す。

Talk one-sidedly.

彼(かれ)は一方的(いっぽうてき)に契約(けいやく)を解除(かいじょ)した。

He unilaterally terminated the contract.

一方的(いっぽうてき)な意見(いけん)ばかりではなく、相手(あいて)の立場(たちば)も考(かんが)えるべきだ。

You should consider the other person's perspective, not just one-sided opinions.

一方的(いっぽうてき) is a な-adjective formed from 一方(いっぽう) (one side) + 的(てき) (adjectival suffix). It carries a negative nuance in most contexts, implying unfairness or lack of consideration.

Common collocations

一方的(いっぽうてき)な主張(しゅちょう) (one-sided claim)
一方的(いっぽうてき)な関係(かんけい) (one-sided relationship)
一方的(いっぽうてき)に決(き)める (decide unilaterally)
一方的(いっぽうてき)に押(お)しつける (impose one-sidedly)

Usage

The adverbial form 一方的(いっぽうてき)に is very common
Often used in legal, political, and relationship contexts
Implies criticism: the speaker usually views the one-sidedness as problematic

general

Added 2026.2.15 9:17 · Revised 2026.9.2 13:01

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