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 of complicated

• complicate
• intricate
• complex
• sophisticated

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

Iraq and Congo qualified Tuesday by beating Bolivia and Jamaica, who shaped to be less complicated challenges for issuing visitor visas. —ABC News, 1 Apr. 2026

But even with this, trans visibility is still an important, complicated and powerful force. —Candace Hansen, Los Angeles Times, 1 Apr. 2026

The invitation, however, comes against a more complicated political backdrop. —Rena Rowe, The Washington Examiner, 1 Apr. 2026

The moment centered on a candid photo from the event, where multiple stars appeared within close proximity, prompting discussion not just about the concert, but about the complicated dynamics between some of those in attendance. —Claire Dodds, MSNBC Newsweek, 1 Apr. 2026

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