over-complexity

noun, plural com·plex·i·ties for 2.

1. the state or quality of being complex; intricacy: the complexity of urban life.
2. something complex: the complexities of foreign policy.

noun plural -ties

1. the state or quality of being intricate or complex
2. something intricate or complex; complication

n.1721, “composite nature,” from complex (adj.) + -ity. Meaning “intricacy” is from 1790. Meaning “a complex condition” is from 1794.