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 archaic is "characteristic of an earlier time.", the definition for onset is "Beginning.", and the definition for periodic is "Occurring at regular intervals."

The definition for accentuate is "To emphasize." Used in a sentence: Carla used red ribbons to accentuate the coppery tones in her hair. The definition for fragile is "delicate.", the definition for intricate is "Having complex and interrelated parts.", and the definition for placebo is "An inactive substance used in medical testing."

The definition for flaunt is "To display showily." Used in a sentence: Sheila, who could not resist bragging, flaunted the "A" marked on her test paper. The definition for raspy is "rough, grating.", the definition for egotist is "Self–important person.", and the definition for parity is "Equality."

The definition for incumbent is "Necessary as a duty or responsibility." Used in a sentence: It was incumbent on Jack to attend his father's retirement party. The definition for redouble is "to make twice as great.", the definition for placebo is "An inactive substance used in medical testing.", and the definition for fidelity is "State of being faithful."

The definition for proximity is "Closeness." Used in a sentence: The proximity of Tia's house to school meant that she could walk there in five minutes. The definition for ramble is "to wander, physically or in language.", the definition for heinous is "Shockingly evil.", and the definition for civility is "Politeness."