Abominate
ex) Abominate it or love it.

Abrogate
ex) The most of students wish to abrogate the SAT.

Abdicate
ex) Too many parents abdicate the role.
ex) Relinquish the throne.(2008)

Abstuse
ex) Too Abstruse To Understand.
ex) Very abstruse
I found the topics taught in the class today to be very abstruse and difficult to comprehend.
Most of them were proofs and were hard to understand.I tried my best to listen and understand completely,but managed to grasp only in patches.
I hope that I somehow cover these portions by listening to the lectures online very soon, as the future topics will be dependent on these.

Acquiesce
ex) Accept or acquiesce.

Acrimonious
ex) There was an acrimonious debate between the two candidates

Adulterate
ex) Johnny proceeded to adulterate the bottle of vodka with water to keep his father from finding out about his partying ways.


afflict
ex) Combat injuries can afflict veterans with pain for years.