1. OBTUSE   curvaceous   shrewd   useless   rounded   angular   Hint Half-n-half Clue   2. LACONIC   taciturn   verbose   harmonic   open wound   patient   Half-n-half Clue   3. INUNDATE   frighten   abuse   strengthen   drain   embolden   Half-n-half Clue   4. IRKSOME   tireless   quirk   excessive   irritating   interesting   Half-n-half Clue   5. DELETERIOUS   delaying   harmless   punctual   shameful   time-consuming   Half-n-half Clue   6. DERANGED   arranged   disturbed   orderly   sane   wander   Half-n-half Clue   7. OVERWEENING   intolerable   humble   acidic   exaggerated   impotence   Half-n-half Clue