相 性(あいしょう)が悪(わる)い

あいしょうがわるい

expression

incompatible; don't get along well

1. incompatible; don't get along; not a good match

Describes people, things, or situations that do not work well together. Used for interpersonal relationships, food combinations, technology compatibility, and more.

あの二人(ふたり)は相性(あいしょう)が悪(わる)い。

Those two don't get along well.

このソフトはうちのパソコンと相性(あいしょう)が悪(わる)いみたいだ。

This software doesn't seem to be compatible with our computer.

上司(じょうし)と相性(あいしょう)が悪(わる)くて毎日(まいにち)ストレスを感(かん)じているが、仕事(しごと)だから仕方(しかた)がない。

I don't get along with my boss and feel stressed every day, but since it's work, there's nothing I can do.

Composed of 相性(あいしょう) (compatibility, chemistry) + が + 悪(わる)い (bad). The opposite is 相性(あいしょう)が良(い)い/良(よ)い (compatible, a good match). This expression is very versatile and used beyond just people — it describes any pairing that doesn't work well.

Common patterns

AとBは相性(あいしょう)が悪(わる)い: A and B are incompatible
相性(あいしょう)が悪(わる)いと感(かん)じる: to feel incompatible with

Common collocations

人(ひと)と相性(あいしょう)が悪(わる)い: not getting along with someone
食(た)べ合(あ)わせの相性(あいしょう)が悪(わる)い: food combination that doesn't go well together
機器(きき)の相性(あいしょう)が悪(わる)い: hardware/device incompatibility

Similar words

合(あ)わない: doesn't suit, doesn't match — more casual
馬(うま)が合(あ)わない: don't hit it off — specifically about interpersonal chemistry
不向(ふむ)き: unsuited — focuses on suitability rather than mutual chemistry

Related Words

Compare: 不向(ふむ)き (unsuited)

Compare: 合(あ)う (doesn't suit, doesn't match)

general

Added 2026.4.5 12:41 · Revised 2026.9.12 14:05

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