Quirk

1) a peculiarity of action, behavior, or personality; Mannerism 


Usage : My overactive imagination was an amusing personal quirk 


2) a sudden twist or turn


Usage : He lost his money by quirk of  fate 

Vicissitude

 A change or variation occurring in the course of something

Usage:- Life is difficult and complicated,and beyond anyone's total control,and the humility to know that will enable you to survive its vicissitudes 

Turn a Nelson's eye

turn a blind eye

Usage-Prime Minsiter Dr.Singh turns a nelson's eye to the problems of citizens of India

Muzzle

Prevent from freedom of expression

Usage- Bharka Dutt attempted to muzzle blogger Mr.Chaitnaya Kunte. Its a absolute fiasco

French leave

Absence from work or duty without permission

Usage - Satish Medos don't you dare to go on French leave :-D

Fillip

A stimulus or boost

Usage-The support of Nepal came as fillip to India's stand in the UN

Visage

A persons face,with reference to the form of the features-a person's facial expression
Usage-The expression of dismay is clear in their visages

Fledgling

# one that something is new / immature or inexperienced / rookie / newbie

# also means a new born bird ..

Usage :  Raja Bundela who is famous for his acting roles in hindi cinema heads Bhundelkhand congress, a fledgling political outfit.

src : tehelka.com

Askance

With disapproval ,suspicion ,or distrust

Usage-The areas is so dirty that merchants report the tourist are looking askance

Proclivity

An inclination or predisposition; tendency

Usage - She had this strange proclivity to visit our home unannounced 

Ensconce

Establish in a comfortable, safe or secret place


Usage - Pandavas  ensconced themselves in court of virata

Caprice

a sudden, unpredictable change,as of one's mood or behavior 


Usage :- Talent and intelligence never yet inoculated anyone against the caprice of the fate.

Pretentious

Attempting to impress by affecting greater importance or merit than is actually possessed

Usage - I admire your pretentiousness,but it's not going to cut ice with me 

Treachery

1) Willful betrayal of fidelity,confidence or trust
2) The act or an instance of such betrayal

Usage : Tricks and Treachery are merely proof of lack of skills 

Travail

Verb - toil, labor

Eg usage : Labor day is the day on which we recognize those men and women who daily  travail with little appreciation or compensation.

Noun : hustle,

Source : m-w.com

Inundated

Synonyms : Overwhelm, deluge, to cover with flood - overflow

Eg : 1. he received a deluge of offers ;
2. I was inundated with phone calls

Usage : In our crazy, hectic, modern life, we’re inundated with choices.

Source Art Of Manliness

Idyllic

Extremely happy, peaceful, or picturesque.

“An idyllic village life” ,which means a life that is both natural, peaceful and scenic.

It is often used to describe persons or even experiences related to seaside/beaches.

Rendezvous

Rendezvous - A meeting planned at a certain place and time.

It can also mean a place where a meeting has been planned for.

Usage - Last night at my rendezvous with Siddarth Gupta, abstract art guru in India, I got to know many interesting things about abstract painting.

Relinquish

Relinquish (verb) - To stop holding on to / to give up / to do away with something / to forego

Usage : Though Android powered phones are amazing, for now I wont relinquish my iPhone.

Repertoire

Repertoire - basically a collection / list of skills, dramas, pieces of art that a company / person is prepared to perform.

derived from the word repertory which means a storehouse.