1. The state of being complex; intricacy; complication.

2. State of being complex.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• coplexity,
• complesiety,
• complexitys,
• complixity,
• completlty,
• compelxity,
• complexing,
• comlpexity,
• complexit,
• complexivity,
• complxity,
• compexity,
• complecity,
• complexies,
• comlexity,
• complexitiy,
• complextity,
• complacity,
• complexety,
• complextiy

• complainant,
• compliance,
• complain,
• complexify,
• complexion,
• completeness,
• compulsivity,
• compliment,
• completely,
• complicity,
• complete,
• completing,
• compliancy,
• complex,
• complement,
• complicate,
• complemental,
• complementary,
• complaint,
• completion,
• complexly,
• completed,
• complaisant,
• complacency,
• complacently,
• compliant,
• complainer,
• complexness,
• complect,
• complacent,
• compile,
• complot,
• complaintive,
• compline,
• complying,
• compelled,
• complin,
• complexifier.

The adjective form of the word "complexity" is "complex".

The plural of the "complexity" can be the "complexities".

The singular of the "complexity" can be the "complexity".