From exhaust + -ive.

• (British) IPA: /ɛɡˈzɔː.stɪv/
• (America) IPA: /ɛɡˈzɑ.stɪv/

exhaustive

1. Including every possible element: fully comprehensive.

   Synonyms: all-encompassing

   Hypernyms: thorough, comprehensive, Thesaurus:comprehensive

   We made an exhaustive list.

2. (now rare) Causing exhaustion; very tiring

   Synonyms: tiring, weariful, Thesaurus:fatiguing

   • 1878, John Henry Blunt, The Reformation of the Church of England: A. D. 1514-1547, page 98:

     Wolsey saw in what imminent peril the revenues of the Church were from the exhaustive squandering and grasping covetousness of the Court.

• French: exhaustif
• German: vollständig, erschöpfend, abschließend
• Italian: esaustivo, esauriente
• Portuguese: exaustivo
• Russian: исче́рпывающий
• Spanish: exhaustivo