The definition for avian is "Relating to birds." Used in a sentence: The old man affectionately referred to pigeons as his "avian friends." The definition for pallid is "lacking color.", the definition for induce is "To influence or cause.", and the definition for derelict is "Abandoned."

The definition for sociable is "Inclined to seek companionship." Used in a sentence: The sociable Glenda was delighted to receive the party invitation. The definition for comprehensible is "understandable.", the definition for regale is "To amuse.", and the definition for punctual is "On time."

The definition for incidental is "Minor." Used in a sentence: The accountant advised Justine not to report her incidental expenses. The definition for proximity is "closeness.", the definition for demeanor is "Behavior towards others.", and the definition for mediate is "To come between parties in order to reconcile."

The definition for foil is "One that enhances or underscores by contrast." Used in a sentence: The sweet cookie was a perfect foil to the sour lemon sorbet. The definition for salvage is "to save from ruin.", the definition for obnoxious is "Highly offensive.", and the definition for authoritarian is "Favoring absolute obedience to authority."

The definition for surplus is "Excess." Used in a sentence: Trevor decided to freeze the surplus chili for next week's tailgate party. The definition for extant is "currently existing.", the definition for buffer is "Protective barrier.", and the definition for avian is "Relating to birds."