complicating matters, the signs of heart failure are nearly identical to symptoms common in pregnancy.
complicating matters is the growth of the financial markets.
Jessica Bennett on how the marriage ruling is complicating relationships—and disappointing moms.
1620s, "to intertwine" (as a past participle adjective, early 15c.), from Latin complicatus "folded together; confused, intricate," past participle of complicare (see complication). Meaning "to make more complex" is recorded from 1832, from earlier sense "to combine in a complex way" (17c.). Related: Complicated; complicating.