1)Squabble:Noun,verb
Meaning:a noisy quarrel about something petty or trivial.झगड़ा
Sentence:Let the Times staff fight out their own professional squabbles

2)Felicitation: Noun
Meaning:congratulation बधाई.
Sentence:it is my honour to extend the felicitations of the president of France to you

3)Gullible:Adjective
Meaning:easily persuaded to believe something; credulous.आसानी से धोखा खानेवाला
Sentence:an attempt to persuade a gullible public to spend their money

4)Ensued:VErb
Meaning:happen or occur afterward or as a result.पीछा करना
Sentence:the difficulties that ensued from their commitment to Cuba

5)Efface:Verb
Meaning:erase (a mark) from a surface.मिटाना
Sentence:with time, the words are effaced by the frost and the rain

6)Indecorous:Adjective
Meaning:not in keeping with good taste and propriety; improper.गंदा
Sentence:By venting such indecorous spleen, some might consider that I am indulging in the ‘politics of envy’, as it is called.

7)Arduous:Adjective
Meaning:involving or requiring strenuous effort; difficult and tiringकठिन
Sentence:My father and I then arduously lifted it into the trunk.

8)Palliate:Verb
Meaning:make (a disease or its symptoms) less severe or unpleasant without removing the cause.कम करना
Sentence:pharmaceutical drugs palliate, they do not cure

9)Gamut:Noun
Meaning:the complete range or scope of something.सरगम
Sentence:the whole gamut of human emotion

10)Vertex:Noun
Meaning:the highest point; the top or apex.शिखर
Sentence:Two adjacent vertices must be of the same colour.