Unpack – Misused word for analyze, consider, assess. Concepts or positions are not packed, so they don’t need to be unpacked.
Tons – Refers to an exaggerated quantity, as in tons of sunshine or tons of work. ‘Lots’ would surely suffice.
Pre-owned – What is so disgraceful about owning a used car now and then?
Onboarding / Offboarding – Creature from the HR Lagoon. We used to have hiring, training and orientation. Now we need to have an “onboarding” process. Firings, quitting, and retirements are streamlined into “offboarding.”
Nothingburger – Says nothing that ‘nothing’ doesn’t already. I’ll take a quarter-pound of something in mine.
Insuperable - Impossible to overcome; He never considered an obstacle insuperable; if a mountain were in his path, he'd simply learn to climb.
Frangible - Fragile; brittle; he picked up the frangible remains of the stained-glass display, which promptly fell apart in his hands.
Couth - Cultured, refined and well mannered; her couth delivery was a relief following the blithering performance of her predecessor.
Bilious - Spiteful; bad-tempered; he was in a bilious mood, given that it was Monday morning and he hadn't yet had his coffee.
Littoral - Relating to or situated on the shore of the sea or a lake; we drove along Michigan's west coast, passing a variety of littoral towns and villages.