adverb - in a way that allows two or more things to be used instead of each other without any significant difference
adjective - not making you feel satisfied, happy, or that what you are doing is meaningful
adjective - making you feel satisfied and happy because you are doing something meaningful or worthwhile
noun - the official cancellation or declaration that something, such as a marriage or a legal agreement, is invalid and has no legal effect
noun, formal - (usually plural) an offensive, obscene, or vulgar word that is generally considered inappropriate in polite conversation