different between exhausted vs exhaustless

English

Etymology

From exhaust +? -ed.

Pronunciation

• (General American) IPA^(key): /???z?st?d/
• (Canada, cot–caught merger) IPA^(key): /???z?st?d/
• (Received Pronunciation) IPA^(key): /???z??st?d/

Adjective

exhausted (comparative more exhausted, superlative most exhausted)

1. Very tired; in a state of exhaustion.

   The exhausted man fell asleep immediately.

2. Depleted of resources.

   The exhausted mine was worthless once all the ore had been extracted.

3. (sciences, now historical) Emptied of contents, especially of air; that has been made into a vacuum.
   • 1791, James Boswell, Life of Johnson, Oxford 2008, p. 839:

     A man can live in thick air, but perishes in an exhausted receiver.

Synonyms

• See also Thesaurus:fatigued or Thesaurus:depleted

Derived terms

• exhaustipated
• exhaustedly
• exhaustedness

Translations

Verb

exhausted

1. simple past tense and past participle of exhaust

English

Etymology

exhaust +? -less

Adjective

exhaustless (comparative more exhaustless, superlative most exhaustless)

1. Unable to be exhausted; having an endless supply; inexhaustible.
2. (of an automobile or similar machine) Not producing exhaust; nonpolluting.
   • 1969, Machine Design, volume 41, page 60

     These obstacles preclude near-future solutions for exhaustless vehicles, or those having an exhaust with greatly reduced toxicity.

   • 1971, John R. Wish, Marketing and social issues: an action reader, John Wiley & Sons

     We need an exhaustless automobile, a noiseless and versatile airplane. We need new methods of reducing and coping with wastes—radioactive, sewage, gaseous, and liquid.

   • 1973, Eckhard Schulze-Fielitz, Stadtsysteme (?ISBN)

     The car is at the same time the greatest producer of noise and the greatest polluter, and thus responsible for the rapidly accelerating debasement of the human environment. The long overdue noiseless and exhaustless automobile would ...

   • 1979, Cars and Parts, volume 22, page 13

     After he had finished he drove it over to Newton and started parading back and forth in the exhaustless car in front of the Stanley plant. Not a single whisp of steam could be seen, exhausting out any exhaust pipe. In fact he had no exhaust pipe ...

   • 2014, Matthew Johnson, Irregular Verbs, ChiZine (?ISBN)

     Trying to figure out the technology behind its operation—he had seen exhaustless vehicles in another Outline, apparently run on broadcast power ...

Translations