Online English Vocabulary Size Test

NGL, this test got me looking up some words after. Like, there are a lot of words that I know but don't "know", if that makes sense. I've picked up a vague definition based on how a word is used in fiction, but then realize that if pressed to define it, I'm mentally handwaving

like "you know...querulous...when that one annoying minor villain took to his bed with fever and was being demanding and rude and whiny, picking at the hem of his blanket. You know?"

!!!!!!!! Gaddamn, nice