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Synonyms for

complex

6 synonyms and better words for “complex,” each with its precise meaning and an example so you pick the one that actually fits, not just the nearest match.

intricate

/ˈɪn-trɪ-kɪt/Elevated

Having many interrelated parts or elements arranged in a detailed and elaborate way.

The watchmaker's intricate design required a magnifying glass just to count the moving parts.

Best for: Works well in technical writing, art criticism, and everyday elevated speech.

labyrinthine

/ˌlæb-ɪ-ˈrɪn-θɪn/Literary

Resembling a labyrinth in its bewildering complexity or tortuous structure.

The labyrinthine bureaucracy swallowed her application and never returned it.

Best for: Best for describing systems, institutions, or narratives with maddening complexity.

Byzantine

/ˈbɪz-ən-tiːn/Punchy

Excessively complicated and difficult to understand, often with connotations of scheming.

The tax code is so Byzantine that even accountants argue over its meaning.

Best for: Punchy in opinion pieces and political commentary; carries a mildly critical tone.

multifarious

/ˌmʌl-tɪ-ˈfɛər-i-əs/Elevated

Having many varied parts, elements, or forms simultaneously at work.

Her multifarious responsibilities left little room for a single uninterrupted thought.

Best for: Elevated prose and formal essays; suggests richness rather than confusion.

involute

/ˈɪn-və-luːt/Rare Gem

Curled spirally inward or characterized by extreme, folded-back intricacy.

The philosopher's involute argument circled back on itself until meaning dissolved.

Best for: Rare in general use; ideal for scientific, botanical, or dense philosophical writing.

daedal

/ˈdiː-dəl/Rare Gem

Cunningly or intricately formed, skillfully complex in design or arrangement.

The daedal mosaic stretched across the cathedral floor like a frozen dream.

Best for: Archaic and poetic; reserved for literary prose where antiquity adds texture.

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