Complicated
Complex
Synonyms: Complex, involved, tangled, impenetrable, tricky, serpentine, tortuous, Byzantine, Gordian, confusing, baffling, perplexing, above one's head, involute, intricate, convoluted, elaborate, knotty, thorny, labyrinthine, cumbersome, Daedalian, confused, bewildering, puzzling, difficult to understand, fiddly, and involuted.
Complex
Synonyms: Complex, involved, tangled, impenetrable, tricky, serpentine, tortuous, daedalian, confused, bewildering, puzzling, difficult to understand, fiddly, involuted, intricate, convoluted, elaborate, knotty, thorny, labyrinthine, cumbersome, gordian, confusing, baffling, perplexing, above one's head, and involute.
Example Sentences
The instructions are too complicated to understand.
He faced a complicated situation today.
Their relationship became increasingly complicated over time.
The project has many complicated details.