The definition for derelict is "Abandoned." Used in a sentence: The derelict house was condemned as a public hazard. The definition for diffident is "lacking self–confidence.", the definition for retroactive is "effective as of a prior time or condition.", and the definition for incumbent is "Necessary as a duty or responsibility."

The definition for eulogy is "Speech or writing in praise of deceased." Used in a sentence: Ernesto delivered a moving eulogy at his uncle's funeral. The definition for epistolary is "contained or carried on in letters.", the definition for antidote is "Something that relieves or counteracts.", and the definition for authoritarian is "Favoring absolute obedience to authority."

The definition for beneficial is "Helpful." Used in a sentence: there is no doubt that eating vegetables is beneficial to one's health. The definition for interminable is "never ending, or seemingly endless.", the definition for authoritarian is "Favoring absolute obedience to authority.", and the definition for demeanor is "Behavior towards others."

The definition for repel is "To resist, reject." Used in a sentence: The soldiers made a massive charge to repel the invaders. The definition for induce is "to influence or cause.", the definition for brandish is "To shake or wave menacingly.", and the definition for corrective is "Intended to correct."

The definition for corrosive is "Bitingly sarcastic." Used in a sentence: The cruel Estella's corrosive comments made Pip cry. The definition for manifest is "obvious.", the definition for benefactor is "One who offers financial help.", and the definition for melodious is "Having a pleasing melody."