The definition for periodic is "Occurring at regular intervals." Used in a sentence: The periodic innterruptions of the cuckoo clock prevented Li from concentrating. The definition for demean is "to lower status.", the definition for incumbent is "Necessary as a duty or responsibility.", and the definition for precept is "A general rule of action."

The definition for discern is "To recognize as separate as distinct." Used in a sentence: The pastry connoisseur was able to discern Swiss from Belgian chocolate. The definition for accentuate is "to emphasize.", the definition for archetypal is "Characteristic of the original model or perfect example.", and the definition for commemorate is "To mark by a ceremony."

The definition for garish is "Offensively bright." Used in a sentence: The garish wallpaper offended Jerome, who preferred subtle colors. The definition for epitaph is "brief statement honoring a dead person.", the definition for gargantuan is "Gigantic.", and the definition for brandish is "To shake or wave menacingly."

The definition for pathos is "Sympathetic pity." Used in a sentence: The soldiers cherished the kindly Nurse Nightingale for her pathos. The definition for avian is "relating to birds.", the definition for negate is "To make invalid.", and the definition for induce is "To influence or cause."

The definition for rancorous is "Marked by deep ill–will." Used in a sentence: The rancorous competition between the two chess clubs actually ended in a brawl. The definition for discern is "to recognize as separate as distinct.", the definition for grandiose is "With an affectation of grandeur.", and the definition for polarize is "To break up into opposing groups."