Crossword Puzzle One easily pushed over

Clue: One easily pushed over

With an overly high opinion of oneself (PROUDASAPEACOCK with 15 letters)
Easily pushed around (WEAK with 4 letters)
They're not easily overturned (OUTRIGGERCANOES with 15 letters)
Condition of overworking oneself to keep up with the wealthy (AFFLUENZA with 9 letters)
Overextend oneself? (STRETCH with 7 letters)
Onetime overseas trade grp. (EEC with 3 letters)
Overtaken and easily surpassed (LEFTINTHEDUST with 13 letters)
Vehicle easily pushed (HANDCART with 8 letters)
Pushed (oneself) (EXERTED with 7 letters)
Onetime friend of Camus (SARTRE with 6 letters)