lacking knowledge or awareness
The ignorant comment revealed his lack of understanding.
Vocabulary like ignorant appears on the Digital SAT in Words-in-Context questions, where you choose the word that fits a passage's meaning and tone. You can also drill this word with vocabulary flashcards.
rebellious; characterized by attack on established beliefs or institutions
same; exactly alike and incapable of being perceived as different
value system; an orientation that characterizes the thinking of a group or nation
expression; a manner of speaking that is natural to native speakers of a language
peculiarity; a behavioral attribute that is distinctive and peculiar to an individual
unique to an individual
worship; religious zeal; the willingness to serve God
shameful; completely lacking nobility in character or quality or purpose