A word which has the opposite meaning of another word.
A word that describes one end of a scale, while its opposite describes the other end, such as large versus small; a gradable antonym.
Something mailed by a seller to a collector to match their stated interests; the collector can approve of or return the item.
An expression granting permission; an indication of agreement with a proposal; an acknowledgement that a person, thing, or event meets requirements.
An expression of favorable acceptance and encouragement; a compliment that also condones.