Impetus


MEANING :
1. the force or energy that is associated with a body in motion.
2. an impelling force
USAGE EXAMPLE 1:
The deployment of anti-missile systems by the U.S. provided a strong impetus for Russia and China to build even more sophisticated missiles.
USAGE EXAMPLE 2:
The advent of a new anti-rejection drug, cyclosporine, gave new impetus to organ transplants in the 1980s


dastardly


MEANING :
1. cowardly
2. malicious; characterised by underhanded treachery; sneaking
USAGE EXAMPLE 1:
Terrorists are carrying out dastardly bomb blasts in various cities in the country in order to foment violence between communities.
USAGE EXAMPLE 2:
The dastardly attacks on September 11, 2001 will be an indelible date in U.S. history—and, in their shared hour of agony on that fateful day, one more bond between two sister cities.

grimace



MEANING :
1. (n.) a distorted facial expression often indicating discomfort, pain, disgust etc.
2. (v.) to make distorted facial expressions
USAGE EXAMPLE 1:
The thought of entering the dark, filthy alley made him grimace.
USAGE EXAMPLE 2:
They found changes in facial expression, including a grimace, squeezing eyes shut and furrowing the brow, were best indicators the baby was in pain.

profligate


MEANING :
1. utterly licentious or immoral
2. wildly extravagant or prodigal
USAGE EXAMPLE 1:
His profligate ways landed him in prison.
USAGE EXAMPLE 2:
With attention on energy problems worldwide, Formula One cannot afford to be profligate in its use of fuel, said Mosley, who expects general levels of spending to be cut in half "without affecting the spectacle in any way." 

Disquietude


MEANING :
1. the state of being worried or uneasy
2. anxiety or edginess



EXAMPLE 1:
The disquietude of the parents mounted as it was past six o’clock and their daughter had not come back from school.


Uproar


MEANING :
a condition of noisy disturbance; tumult



EXAMPLE 1:
There was an uproar at the society meeting because the secretary had accepted a bribe from the contractor.

Mirth


MEANING :
gaiety, happiness or amusement




EXAMPLE :
Her mirth on seeing his downfall became evident from the sadistic expression on her face

Spruce

1. (n.) any evergreen, coniferous tree or the like or the wood of such a tree
2. (tr. v.) to make neat or smart in appearance
3. (adj.) neat and smart in appearance




The teacher told the shabbily dressed child to spruce up a bit.

























Palimpsest

1. a parchment from which writing has been partially erased to make room for some other text leaving the earlier writing sometimes legible
2. parchment from which earlier writing has been removed to clear it for new writing
3. an object, place, or locality that reflects its history




Ex:It was only after they realized that the treasure map happened to be on a palimpsest that they were able to make some headway in deciphering the script.

Bristling

1. to become erect or stiff like bristles
2. to be aroused
3. to become irritated


EX: He was bristling with rage after the manager of the department store refused to acknowledge his complaint.