Clear decks is a phrase that is often used to refer to clearing obstacles or preparing for a change. Antonyms for clear decks are phrases that convey the opposite meaning. Some examples include chaos, clutter, confusion, messiness, and disorder. Using any of these phrases implies that the environment or situation is not conducive to productivity, order or progress. For instance, instead of saying "let's clear the decks and get started on this project," you might say "we need to clean up this chaotic mess before we can begin working." So, while clear decks mean to simplify, tidy, or get organized, its antonyms suggest a disorderly or problem-ridden situation.