1. laugh at   OBSCURE   MOCK   RAMBLE   RANT   Hint Half-n-half Clue   2. blot out   PROVOKE   RECANT   PROCRASTINATE   OBLITERATE   Half-n-half Clue   3. postpone   PROCRASTINATE   OBLITERATE   RAZE   RECTIFY   Half-n-half Clue   4. make unclear   RAZE   PROCRASTINATE   RELEGATE   OBSCURE   Half-n-half Clue   5. chatter childishly   RATIFY   RECOUNT   PRATTLE   RECTIFY   Half-n-half Clue   6. confirm formally   RATIFY   MITIGATE   NURTURE   RELEGATE   Half-n-half Clue   7. preserve indefinitely   RAMBLE   OBLITERATE   PRATTLE   PERPETUATE   Half-n-half Clue