outside; on or near an edge or constituting an outer boundary; the outer area
The peripheral issues were less important than the central problems.
Vocabulary like peripheral 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.
poverty; a state of extreme poverty or destitution
notice; to become aware of through the senses
damnation; (Christianity) the abode of Satan and the forces of evil
imperious; offensively self-assured or given to exercising usually unwarranted power
enduring; lasting three seasons or more
having extremely high standards; a feeling that anything less than perfect is unacceptable
treacherous; tending to betray
inattentive; hasty and without attention to detail; not thorough