The definition for catastrophic is "Relating to extreme misfortune." Used in a sentence: The effects of the massive hurricane were catastrophic. The definition for disdain is "feeling of contempt.", the definition for gruff is "Rough or stern in manner or speech.", and the definition for antidote is "Something that relieves or counteracts."

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 periodic is "occurring at regular intervals.", the definition for straddle is "To favor opposing sides.", and the definition for fickle is "Lacking constancy, changeable."

The definition for advantageous is "Giving an advantage." Used in a sentence: The house's location in the best school district was advantageous to the seller. The definition for prudent is "marked by wisdom, shrewd.", the definition for gravity is "Importance, significance.", and the definition for brandish is "To shake or wave menacingly."

The definition for oblivious is "Lacking awareness." Used in a sentence: Love–struck Charlie was oblivious to everyone but the object of his affection. The definition for rail is "to scold in harsh language.", the definition for inflammatory is "Tending to excite anger.", and the definition for onset is "Beginning."

The definition for accommodate is "To give consideration to." Used in a sentence: The hospitable couple was happy to accommodate the needs of their finicky guest. The definition for frugal is "thrifty, cheap.", the definition for negate is "To make invalid.", and the definition for celebrated is "Widely known, respected."