The definition for negate is "To make invalid." Used in a sentence: Paula negated Tiffany's argument by proving that her main premise was false. The definition for eulogy is "speech or writing in praise of deceased.", the definition for regurgitate is "To pour out or throw back.", and the definition for inviolable is "Secure from assault of trespass."

The definition for brandish is "To shake or wave menacingly." Used in a sentence: The baseball player was fined for brandishing his bat at the opposing pitcher. The definition for pretense is "false intention or purpose.", the definition for advantageous is "Giving an advantage.", and the definition for conduit is "Means for transmitting or distributing."

The definition for buffer is "Protective barrier." Used in a sentence: The dense trees acted as a buffer against the heavy rain. The definition for eulogy is "speech or writing in praise of deceased.", the definition for distortion is "The act of twisting out of shape.", and the definition for incisive is "Impressively direct and decisive."

The definition for commemorate is "To mark by a ceremony." Used in a sentence: Each year, the Franklins commemorate their anniversary by visiting the site of their first date. The definition for fickle is "lacking constancy, changeable.", the definition for derelict is "Abandoned.", and the definition for archaic is "Characteristic of an earlier time."

The definition for prune is "To reduce by removing excess." Used in a sentence: The candidate pruned his speech so he would not exceed the time limit. The definition for unscrupulous is "lacking principles.", the definition for lurid is "Causing horror, shocking.", and the definition for pomp is "Showy display."