複雑(ふくざつ)

ふくざつ
na-adjective
complicated, complex
descriptive
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

Similar words

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)
Compare: 難解(なんかい) (difficult to understand)
Compare: 錯綜(さくそう) (complication)
core
Added 2026.1.7 21:58 · Revised 2026.9.2 13:00
01000/01115_fukuzatsu