1: It might make an impression on a philatelist (5)

4: Bite and flip over -- one way to win a wrestling match (3)

7: British poet associated with gravity is having a merry time (7)

8: A country, one said, in trouble (9)

10: Language - one with a Latin derivation (7)

12: Beauty stripping top and bottom is an additional feature (3)

13: Romany, some dodgy psychiatrist? (5)

2: Sounds like everything: a bore (3)

3: Bringing up the kids - Dad's paying for it (9)

4: Poles suffer internally - they're hard (5)

5: Show attendant a part of the bible (7)

6: Annie is crazy? Stupid! (7)

9: Speak slowly, with upward lilt at the beginning (5)

11: Unappealing environment for a snooze (3)