Name any challenging word(s) in a sentence . - Page 7

I am in dilemma to post

Reinforcements were not sent by the authorities

Unprecedented time of Pandemic era is horrific

Kleptomaniac is a disease in few people

Claimbing Mount Everest

Is an arduous exhausting challenge

He will abjure his allegiance to the king

The hellacious heat was more than we could bear

Her team’s political acumen is clearly beyond mine

I made a Brusque movement .

Smoking is deleterious to your health