The definition for elate is "To fill with joy." Used in a sentence: It elated Margaret to be awarded first place in the science fair. The definition for finite is "having definite limits.", the definition for lurid is "Causing horror, shocking.", and the definition for retroactive is "effective as of a prior time or condition."

The definition for implausible is "Unbelievable." Used in a sentence: Claudia's implausible excuse failed to convince her teacher. The definition for periodic is "occurring at regular intervals.", the definition for benevolent is "Kind, helpful.", and the definition for impenitent is "Lacking remorse."

The definition for parity is "Equality." Used in a sentence: Hilda, to avoid squabbles, aimed for parity in the slices of birthday cake. The definition for clarity is "clearness.", the definition for exasperation is "The state of being irritated.", and the definition for antidote is "Something that relieves or counteracts."

The definition for demeanor is "Behavior towards others." Used in a sentence: Carlos was well liked because of his charming demeanor. The definition for obnoxious is "highly offensive.", the definition for corrective is "Intended to correct.", and the definition for equitable is "Fair and equal."

The definition for placebo is "An inactive substance used in medical testing." Used in a sentence: Tom, who had taken the placebo, found that his allergy symptoms did not go away. The definition for rancorous is "marked by deep ill–will.", the definition for colossal is "Immense, enormous.", and the definition for benefactor is "One who offers financial help."