Synonyms of complicated

complicated 1 of 2

adjective

ˈkäm-plə-ˌkā-təd 

1

as in complicate

having many parts or aspects that are usually interrelated

a complicated apparatus

Synonyms & Similar Words

• complicate
• intricate
• complex
• sophisticated
• convoluted
• tangled
• elaborate
• involved
• difficult
• labyrinthine
• byzantine
• knotty
• varied
• baroque
• labyrinthian
• involute
• multifaceted
• mixed
• challenging
• daedal
• heterogeneous
• multifarious
• overcomplicated
• tough
• composite
• overcomplex
• compound
• incomprehensible
• inexplicable
• unintelligible
• unfathomable
• multipart
• multibranched
• impenetrable
• Kafkaesque

Antonyms & Near Antonyms

• simple
• uncomplicated
• plain
• simplistic
• simplified
• noncomplex
• noncomplicated
• homogeneous
• uniform
• oversimplified
• unvaried

2

as in detailed

made or done with great care or with much detail

complicated plans for redeveloping the riverfront that involve both the private and public sectors

Synonyms & Similar Words

• detailed
• intricate
• complex
• elaborate
• elegant
• involved
• sophisticated
• fancy
• exquisite
• magnificent
• ornate
• extravagant
• convoluted
• splendid
• Byzantine
• showy
• exuberant
• overwrought
• grandiose
• flamboyant
• frilly
• grand
• labyrinthine
• ostentatious
• fancified
• involuted
• labyrinthian
• souped-up
• gimmicked (up)
• involute
• chichi

Antonyms & Near Antonyms

• simple
• unsophisticated
• uncomplicated
• plain
• modest
• no-frills
• unfancy
• naked
• unadorned
• bare
• bald
• plain-vanilla
• undecorated
• unvarnished
• plain-Jane

complicated

2 of 2

verb

past tense of complicate

1

as in sophisticated

to make complex or difficult

the need to go to both a PTA conference and condo board meeting really complicates tonight's schedule

Synonyms & Similar Words

• sophisticated
• complexed
• perplexed
• intensified
• embarrassed
• confused
• entangled
• complexified
• elaborated
• expanded
• muddled
• developed
• tangled
• snarled
• confounded
• mixed (up)
• magnified
• messed (up)

Antonyms & Near Antonyms

• simplified
• streamlined
• shortened
• cut
• abbreviated
• facilitated
• eased
• straightened (out)
• oversimplified
• unraveled
• disentangled
• untangled

2

as in aggravated

to make more severe

asthma that has recently been complicated by a bout of bronchitis

Synonyms & Similar Words

• aggravated
• deepened
• intensified
• exacerbated
• worsened
• amplified
• magnified

Antonyms & Near Antonyms

• helped
• relieved
• mitigated
• alleviated
• improved
• eased
• allayed
• assuaged
• ameliorated
• bettered

Synonym Chooser

How does the adjective complicated differ from other similar words?

Some common synonyms of complicated are complex, intricate, involved, and knotty. While all these words mean "having confusingly interrelated parts," complicated applies to what offers great difficulty in understanding, solving, or explaining.

complicated legal procedures

When might complex be a better fit than complicated?

The words complex and complicated can be used in similar contexts, but complex suggests the unavoidable result of a necessary combining and does not imply a fault or failure.

a complex recipe

When would intricate be a good substitute for complicated?

The synonyms intricate and complicated are sometimes interchangeable, but intricate suggests such interlacing of parts as to make it nearly impossible to follow or grasp them separately.

an intricate web of deceit

When is it sensible to use involved instead of complicated?

The words involved and complicated are synonyms, but do differ in nuance. Specifically, involved implies extreme complication and often disorder.

a rambling, involved explanation

When is knotty a more appropriate choice than complicated?

Although the words knotty and complicated have much in common, knotty suggests complication and entanglement that make solution or understanding improbable.

knotty ethical questions

Example Sentences

Recent Examples of complicated

Adjective

The deeper question of what multiple heads and arms mean, however, is much more complicated. — Charles Preston, Encyclopedia Britannica, 28 Aug. 2026

Fears of further flooding complicated recovery efforts, as authorities searched for people missing after floods struck the Himalayan border between Nepal and China. — Aoife Walsh, Washington Post, 28 Aug. 2026

Verb

Beijing — Already harrowing rescue efforts along the China-Nepal border are being complicated by the risk of new flooding or landslides, with authorities in China and Nepal pausing rescue efforts Friday due to those fears. — Simone McCarthy, CNN Money, 28 Aug. 2026

Final Thoughts NexSnap is a reminder that taking screenshots needn't be complicated, and that a screen-capture utility should offer more than just the ability to tap PrtScn. — Jordan Minor, PC Magazine, 28 Aug. 2026