underbussed 

The state of having been thrown 'under the proverbial bus', as coined by (Dr) Marcy Wheeler of www.emptywheel.net (@emptywheel).

Past tense of: A disavowal and possible severance of a previously amicable relationship.

See: Trump knee jerk response to associates under investigation.

"Evan Corcoran will one day be underbussed for agreeing (and in this filing, attesting) to this consensual search; given the way he’s portrayed in this WaPo story, the underbussing may have already begun. But for now, it is the stated version Trump wants to tell."

underbussed by Clare Kelly August 24, 2022

underused 

The opposite of overused.
A word that you had in your daily vocabulary but somehow forgot. It might even got overused but because you haven't used it in a long time it got underused again

Guy1: There's a wet t-shirt contest in the hotel.
Guy2: Epic!
Guy1: They're still looking for 3 judges btw.
Guy3: We gotta register as judges.
Guy1: Already done guys, and guess what we were already picked
Guy2&3: Legendary!
Guy1: Guys that's not legendary, that's fucking ZEDERN!
Guy2: God totally forgot zedern, totally underused :P

underused by Max_Power_0815 December 23, 2011