loserest

adj

1. (US, not-comparable)Synonym of losingest (“losing the most games, votes, etc.”).

   “Team captains took money on the side, so even the loserest ball player could pitch an inning.”

2. (informal, not-comparable)Most like a loser; most pathetic or worthless.

   “With that, he hastened out of the room as if his pants were on fire, leaving poor Gabriella to marinate in her embarrassment, feeling like the loserest of losers, after having been completely shunned by a man.”