1) Conceited – excessively proud on yourself, vain

  He is so conceited, he think he is best at everything.

 2) Concord – peace and agreement 

 The two countries now live in concord.

 3) Mettlesome  – full of courage  and spirit

 The rider was experienced and had no problem while handling mettlesome horse.

 4) Succinct – said clearly in few words

 Aim to use succinct sentence that are to the point

 5) Meticulous – giving or showing great attention to detail

 The book is the result of years of meticulous work.

 6) Condemn – to say strongly that somebody is very bad or wrong 

 We strongly condemn this attack against our allies.

 7) Condone – to forgive 

 Society must not seen to condone violence.

 8) Congenial – pleasant 

 We spent evening in the congenial company .

 9) Culpable – responsible for something bad has happens

 Now many of us will agree such person is culpable and guilty

 10) Cupidity – greed for money or possessions

 The evidence revealed the cupidity of company director.

 11) connive – two work secretly with somebody to do something wrong

 The two parties connived to get rid of the President.