1. excessive   THREADBARE   STOIC   SLUGGISH   SUPERFLUOUS   Hint Half-n-half Clue   2. not certain   THREADBARE   SUBORDINATE   SERVILE   TENTATIVE   Half-n-half Clue   3. respectable   SUCCINCT   TRITE   SUBORDINATE   VENERABLE   Half-n-half Clue   4. equivalent   SURREPTITIOUS   TANTAMOUNT   SUPERFICIAL   SCRUPULOUS   Half-n-half Clue   5. conscientious   TACITURN   SLUGGISH   STRIDENT   SCRUPULOUS   Half-n-half Clue   6. holding fast   SUCCINCT   UNOBTRUSIVE   TENACIOUS   WARY   Half-n-half Clue   7. static   SUBORDINATE   SLUGGISH   SAVORY   STAGNANT   Half-n-half Clue