複 雑(ふくざつ)

ふくざつ

na-adjective

complicated, complex

1. complicated, complex

Having many interconnected parts or aspects, difficult to understand or analyze.

複雑(ふくざつ)な話(はなし)だ。

It's a complicated matter.

この問題(もんだい)は複雑(ふくざつ)です。

This problem is complicated.

日本語(にほんご)の文法(ぶんぽう)は複雑(ふくざつ)だと思(おも)いますか。

Do you think Japanese grammar is complicated?

人間(にんげん)関係(かんけい)は複雑(ふくざつ)で、相手(あいて)の気持(きも)ちを理解(りかい)するのは簡単(かんたん)ではない。

Human relationships are complicated, and it's not easy to understand how others feel.

この機械(きかい)の仕組(しく)みは複雑(ふくざつ)で、説明書(せつめいしょ)を読(よ)んでも分(わ)かりにくいです。

The mechanism of this machine is complicated, and it's hard to understand even after reading the manual.

複雑(ふくざつ) is a na-adjective meaning complicated or complex.

FORMS:

複雑(ふくざつ)な + noun: a complicated ~
複雑(ふくざつ)だ/です: is complicated
複雑(ふくざつ)に: in a complicated way
複雑(ふくざつ)さ: complexity (noun form)

COMMON COLLOCATIONS:

複雑(ふくざつ)な問題(もんだい): a complex problem
複雑(ふくざつ)な気持(きも)ち: mixed/complicated feelings
複雑(ふくざつ)な関係(かんけい): complicated relationship
複雑(ふくざつ)な手続(てつづ)き: complex procedures

ANTONYMS:

簡単(かんたん): simple, easy
単純(たんじゅん): simple, straightforward (emphasizes lack of complexity)

ETYMOLOGY:
複(ふく) (multiple) + 雑(ざつ) (miscellaneous) — many mixed elements intertwined.

Related Words

Antonym: 簡単(かんたん) (simple)

Antonym: 単純(たんじゅん) (simple)

Synonym: 煩雑(はんざつ) (cumbersome, tedious)

core

Added 2026.1.7 21:58 · Revised 2026.5.14 22:14

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