not sufficient or enough
The equipment proved inadequate for the demanding conditions of deep-sea exploration.
Vocabulary like inadequate 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.
plead; beg persistently and urgently
force something upon someone
powerless; lacking power or ability
easily influenced
improvised; an extemporaneous speech or remark
disrespect; an impudent statement
attack as false
acting without thinking
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