IPA: /ɪɡˈzɔːstɪvnəs/
KK: /ɪɡˈzɔːstɪvnəs/
The quality of being thorough and complete, covering all aspects or details without leaving anything out.
The exhaustiveness of the report impressed the committee, as it addressed every possible concern.
Exhaustiveness → It is formed from "exhaust" (from Latin "exhaurire", meaning to draw out or drain) and the suffix "-ness" (meaning the state or quality of). The word "exhaustiveness" refers to the quality of being thorough or complete, as if all has been drawn out or considered.
Think of the word 'exhaust' which means to draw out completely, and remember that 'exhaustiveness' refers to the state of being completely thorough.