The definition for regurgitate is "To pour out or throw back." Used in a sentence: The teacher wanted us to examine ideas rather than to regurgitate memorized facts. The definition for placebo is "an inactive substance used in medical testing.", the definition for stifle is "To repress or discourage.", and the definition for straddle is "To favor opposing sides."

The definition for disconcert is "To throw into confusion." Used in a sentence: Jennifer's outspoken criticism of the meal disoncerted the waiter. The definition for prune is "to reduce by removing excess.", the definition for derelict is "Abandoned.", and the definition for extant is "Currently existing."

The definition for stern is "Harsh, severe." Used in a sentence: The stern principal canceled the prom after the seniors played a silly prank. The definition for commemorate is "to mark by a ceremony.", the definition for celebrated is "Widely known, respected.", and the definition for melee is "A tumultuous fight among several people."

The definition for derelict is "Abandoned." Used in a sentence: The derelict house was condemned as a public hazard. The definition for heed is "to pay attention to.", the definition for untenable is "Not able to be defended.", and the definition for straddle is "To favor opposing sides."

The definition for gruff is "Rough or stern in manner or speech." Used in a sentence: Heidi's grandfather was gruff, barking stern orders and hardly smiling. The definition for entangle is "to involve in trouble.", the definition for equitable is "Fair and equal.", and the definition for melodious is "Having a pleasing melody."