KEY: Impress \v.\
SYN: Stamp, print, imprint, inculcate, fix deeply.
ANT: Learn, be impressed, be studious, be mindful.
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KEY: Impressive.
SYN: Forcible, solemn, affecting, imposing, important.
ANT: Weak, unimpressive, feeble, tame, jejune, dry, vapid, unimportant, insignificant.
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KEY: Imprison.
SYN: Immure, incarcerate, shut up, confine.