complexity Synonyms

complicacy complexness occultness snarl sophisticated sophistication stealthiness subtlety tangle tickler trouble twist web laboriousness oppressiveness smokiness sinuosity shadowiness opacity penumbra perplexity problem profoundness profundity puzzle quandary ramification raveling roun roundaboutness reconditeness misalignment onerousness can of worms eeriness cliffhanger convolutedness hard nut to crack self-organization sinuousness complications complex problem brain-twister troublesome problem burdensomeness trifurcation brain-teaser cumbersomeness depths jigsaw