Exhaustiveness refers to the comprehensiveness or thoroughness of something. It implies that everything related to a given subject or topic has been covered or included. Synonyms for exhaustiveness include completeness, entirety, thoroughness, inclusiveness, comprehensiveness, fullness, thoroughness, comprehensiveness, and totality. These words have a similar meaning with exhaustiveness and can be used interchangeably in certain contexts. One may speak of the completeness of research, the thoroughness of investigation, the comprehensiveness of analysis, or the inclusiveness of a study. The use of synonyms for exhaustiveness is important in order to avoid repetition and to add variety to one's writing or speech.