complicate
1. [ verb ] make more complicated
Synonyms: perplex
Examples:

"There was a new development that complicated the matter"

Related terms: simplify change complexify snarl complication complication
2. [ verb ] make more complex, intricate, or richer
Synonyms: refine elaborate rarify
Examples:

"refine a design or pattern"

Related terms: change involve develop sophisticate complication refinement complicatedness
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