[Word Smart] I

integral: necessary and important as a part of a whole, 본질적인, 필수 불가결한
interim: temporary and intended to be used or accepted, 중간의, 잠정적인
interloper: someone who becomes involved in an activity or a social group without being asked, or enters a place without permission, 침입자, 원하지 않았던 사람
interlude: a short period when a situation or activity is different from what comes before and after it, 사이, 막간
interminable: continuing for too long and therefore boring or annoying, 끝이 없는 것 같은
intermittent: not happening regularly or continuously, 간헐적인, 이따금씩 진행되는
intersperse: to mix one thing in with another in a way that is not regular, (~사이에) 배치하다
intervene: to intentionally become involved in a difficult situation, 끼어들다, 개입하다, 중재하다
intimate: to suggest that something will happen or is true, without saying so directly, 넌지시 알리거나 암시하다
intricate: with many complicated details, having a lot of small parts that are arranged in a complicated, 복잡한, 정교한
intrigue: (the making of) a secret plan to do something, 음모, 간사한 계획
invidious: likely to cause unhappiness or be unpleasant, 질투를 사는
inviolate: (that must be) not harmed or damaged, 상해를 입지 않은
invoke: to request help from someone, especially a god, (법·규칙 등을) 적용하다
iridescent: showing many bright colours that change with movement