recalcitrant
stubborn
I adamantly and obdurately refuse to admit that I am recalcitrant.
recapitulate
to repeat, or state again, in a form that is much briefer than the manner in
which it was initially stated
Now we are going to recapitulate the above definition: to repeat concisely.
Think: When a sportscaster recaps the game, she gives a brief summary of what
has happened.
reciprocal
mutual
We have a reciprocal agreement not to spit watermelon seeds at each other.
recondite
obscure; abstruse