1. RECONDITE   readily comprehensible   excessively wordy   sociable   semi-empirical   presumptuous   Hint Hint       2. UNSULLIED   tarnished   inactive   restrained   sociable   silent   Hint       3. VIABLE   deviant   workable   insufficient   moribund   idiotic   Hint       4. VAUNTED   repugnant   belittled   disparate   defeated   underground   Hint       5. VALEDICTORY   salutatory   indefensible   undergraduate   reticent   joyous   Hint       6. TREMULOUS   meagre   persevering   steady   trifling   wan   Hint       7. TRANSIENT   opaque   definite   veracious   mundane   permanent   Hint