complicated

adjective

com·​pli·​cat·​ed ˈkäm-plə-ˌkā-təd 

1

: consisting of parts intricately combined

a complicated recipe

complicated machinery

2

: difficult to analyze, understand, or explain

a complicated issue

his absurdly complicated life

complicatedly adverb

complicatedness noun

Synonyms

• baroque
• byzantine
• complex
• complicate
• convoluted
• daedal
• elaborate
• intricate
• involute
• involved
• knotty
• labyrinthian
• labyrinthine
• sophisticated
• tangled

Choose the Right Synonym for complicated

complex, complicated, intricate, involved, knotty mean having confusingly interrelated parts.

complex suggests the unavoidable result of a necessary combining and does not imply a fault or failure.

a complex recipe

complicated applies to what offers great difficulty in understanding, solving, or explaining.

complicated legal procedures

intricate suggests such interlacing of parts as to make it nearly impossible to follow or grasp them separately.

an intricate web of deceit

involved implies extreme complication and often disorder.

a rambling, involved explanation

knotty suggests complication and entanglement that make solution or understanding improbable.

knotty ethical questions

Examples of complicated in a Sentence

The game's rules are too complicated.

The machine has a complicated design.

Recent Examples on the Web

Many of the children have trauma and complicated needs, and one of the responses may be to run away. —Ginny Monk, Hartford Courant, 27 June 2025

And the touchscreen, although not the quickest, wasn’t overly complicated either. —Matthew MacConnell, Forbes.com, 27 June 2025

Over and over, Victor argues for the emotional experience of suffering, that recovering from terrible trauma is genuinely complicated. —Paul A. Thompson, Pitchfork, 27 June 2025

Collin Morikawa's relationship with the media has always been a little complicated. —Devlina Sarkar, MSNBC Newsweek, 26 June 2025

Word History

Etymology

from past participle of complicate entry 1

First Known Use

1656, in the meaning defined at sense 1

Rhymes for complicated

• abdicated
• abrogated
• acclimated
• activated
• actuated
• adumbrated
• advocated
• aggravated
• aggregated
• agitated
• allocated
• alternated

Kids Definition

complicated

adjective

com·​pli·​cat·​ed ˈkäm-plə-ˌkāt-əd 

1

: consisting of many combined parts

complicated machinery

2

: difficult to analyze, understand, or explain : complex

complicatedly adverb

complicatedness noun

Medical Definition

complicated

adjective

com·​pli·​cat·​ed

of a bone fracture

: characterized by injury to nearby parts