COMPLICATED

complicated, complex

(adjective) difficult to analyze or understand; “a complicated problem”; “complicated Middle East politics”; “he’s more complex than he seems on the surface”

Source: WordNet® 3.1

Adjective

complicated (comparative more complicated, superlative most complicated)

Difficult or convoluted.

(biology) Folded longitudinally (as in the wings of certain insects).

Antonyms

• simple

Verb

complicated

simple past tense and past participle of complicate

The process of fixing the car engine was complicated by the lack of tools.

Source: Wiktionary

COMPLICATE

Com"pli*cate, a. Etym: [L. complicatus, p. p. of complicare to fold together. See Complex.]

1. Composed of two or more parts united; complex; complicated; involved. How poor, how rich, how abject, how august, How complicate, how wonderful is man! Young.

2. (Bot.)

Definition: Folded together, or upon itself, with the fold running lengthwise.

Com"pli*cate, v. t. [imp. & p. p. Complicated; p. pr. & vb. n. Complicating.]

Definition: To fold or twist together; to combine intricately; to make complex; to combine or associate so as to make intricate or difficult. Nor can his complicated sinews fail. Young. Avarice and luxury very often become one complicated principle of action. Addison. When the disease is complicated with other diseases. Arbuthnot.

Source: Webster’s Unabridged Dictionary 1913 Edition