HackerVoca

incontrovertible adjective
a fact that is incontrovertible is definitely true and no one can prove it to be false; indisputable: The photograph provides incontrovertible evidence that Martin was at the scene of the crime.
incontrovertibly adverb
incontrovertability noun [uncountable] : indisputable
incorporate* : v. combine, integrate, include
increase : augment verb [transitive]
formal to increase the value, amount, effectiveness etc of something: new taxes intended to augment government income, enlarge
incredulous : sceptical BrE, skeptical AmE adjective
tending to doubt or not believe what other people tell you
[+ about]: Many scientists remain skeptical about the value of this research program.
sceptically adverb , doubtful, dubious
indecent : vulgar adjective

1 remarks, jokes etc that are vulgar deal with sex in a very rude and offensive way

2 impolite and showing bad manners: vulgar habits

3 especially BrE not showing good judgment about what is beautiful or suitable: a vulgar display of wealth

vulgarly adverb , coarse, rude, immodest