1. SEDENTARY   active   careless   craven   intentional   tenacious   Hint Hint       2. TRACTABLE   artificial   infertile   impossible   barren   uncontrollable   Hint       3. TRANQUILLITY   transgression   insomnia   rancidity   commotion   congestion   Hint       4. TRANSIENT   mundane   definite   opaque   permanent   veracious   Hint       5. VENAL   antibiotic   honest   posterior   unpardonable   arterial   Hint       6. UNSULLIED   inactive   tarnished   restrained   silent   sociable   Hint       7. RECONDITE   semi-empirical   sociable   excessively wordy   readily comprehensible   presumptuous   Hint