1. to make something more complex or complicated
Usage: informal; often used critically to suggest unnecessary complication

Examples

• The new regulations only complexify the process without improving safety.
• Don't complexify the solution; keep it straightforward.
• Adding too many features can complexify the user interface.
• The author tends to complexify simple ideas with unnecessary jargon.
• We should aim to clarify, not complexify, our instructions to customers.