Memory Game Vocabulary Set 7 Matching GameOnline version Vocabulary Set 7 Matching Game by Flannery Stanford to be or get in the way of; prevent; hinder omit mishap nostalgia engaged in, involving, or reflecting deep or serious thought pensive obstruct an idea that, despite sound (or apparently sound) reasoning from acceptable premises, leads to a conclusion that seems senseless, logically unacceptable, or self-contradictory used to emphasize how small or insignificant someone or something is minute obsolete extremely small no longer produced or used; out of date an unlucky accident orient leave out or exclude (someone or something), either intentionally or forgetfully align or position something relative to a known point or landmark paradox mere a sentimental longing or affection for the past