Yet another list of words I've had to look up:

morbidity, comports, agency (other usages), complot, innumerate, peripatetic, histrionic, genuflect, hubris, charlatan, mountebank, quisling, resplendent, quaint, tenable, apocryphal, abraded, presage, limn, mordant, exculpate, environs, fastidious, chary, arrogate, fatuous, Occam's Razor (aka law of parsimony), recrimination, egregious, capitulate, acrimony, zenith, precipitously, modus vivendi, edifice, miasmic, duality, Cynic (as a proper noun), dystopian, euphemistic, dissonance, vituperation, vitriol, effete, traduce, solidarity

These are all words I've recently heard or read.