The definition for egotist is "Self–important person." Used in a sentence: Darren dreaded carpooling with the egotist Shelly, who talked about herself nonstop. The definition for liability is "a person or thing whose presence or behavior is likely to cause embarrassment or put one at a disadvantage.", the definition for colossal is "Immense, enormous.", and the definition for buffoonery is "Foolish behavior."

The definition for regale is "To amuse." Used in a sentence: My clever brother Jeffrey regaled the dinner guests with tales of his adventures. The definition for combustion is "act of burning.", the definition for compulsion is "An irresistible impulse.", and the definition for rehash is "To discuss again."

The definition for incisive is "Impressively direct and decisive." Used in a sentence: Samir's incisive leadership made him the natural choice for president of the company. The definition for repel is "to resist, reject.", the definition for onset is "Beginning.", and the definition for finite is "Having definite limits."

The definition for corroborate is "To support with evidence." Used in a sentence: "Unless you can corroborate your story, it will not be admissible in court," the attorney told his client. The definition for periodic is "occurring at regular intervals.", the definition for nurture is "To further the development of.", and the definition for inauspicious is "Not favorable."

The definition for implausible is "Unbelievable." Used in a sentence: Claudia's implausible excuse failed to convince her teacher. The definition for euphoria is "feeling of great happiness.", the definition for onset is "Beginning.", and the definition for penurious is "Extrememly stingy."