1. TRANQUILLITY   transgression   congestion   rancidity   commotion   insomnia   Hint Hint       2. TURGID   acidic   clear   basic   calm   shrunken   Hint       3. TRANSIENT   permanent   opaque   veracious   mundane   definite   Hint       4. TRUCULENT   dishonest   peaceful   continuous   hostile   succulent   Hint       5. UNWITTING   guilty   exacting   promising   intentional   clever   Hint       6. VIABLE   workable   moribund   idiotic   deviant   insufficient   Hint       7. SEDENTARY   active   intentional   craven   careless   tenacious   Hint