1. accuse   INDICT   IMPEDE   GAINSAY   INTIMIDATE   Hint Half-n-half Clue   2. reverse   GAINSAY   INVERT   INCITE   IMPAIR   Half-n-half Clue   3. deny   INVERT   GAINSAY   INTERVENE   IMPAIR   Half-n-half Clue   4. weaken   FATHOM   HEED   INDICT   IMPAIR   Half-n-half Clue   5. stay for long time   INTERVENE   IMPAIR   FATHOM   LINGER   Half-n-half Clue   6. attribute to someone   IMPAIR   INTIMIDATE   HEED   IMPUTE   Half-n-half Clue   7. hinder   IMPEDE   LAMPOON   INCITE   FALTER   Half-n-half Clue