Retort/"Had enough?" he said, "Ready to give up?"  "Never!" was her ______.
Subvert/To overthrow or take over.
Tractable/Somebody who is easily manipulated is _________.
Ameliorate/The company thought things would __________, but the condition grew worse.
Conserve/`________ energy, or else!` Is a bad slogan.
Ignoramus/Our president is an _________.
Invalid/"I pulled you over because you liscense plate is _______."
Parsimonious/The old man was very ____________; he gave me socks for Christmas.