complexify
/ˌkɒmplɛksɪˈfaɪ, -ˌkɛks-/Definitions
1. verb
to make something more complex or complicated
“The company’s decision to expand into multiple markets complexified their operations.”
2. verb
to introduce complexity or intricacy into something
“The artist’s use of symbolism complexified the meaning of the painting.”
3. verb
to increase the difficulty or intricacy of something
“The new policy complexified the tax code, making it harder to understand.”