English

Adjective

exhaustless ‎(comparative more exhaustless, superlative most exhaustless)

1. Unable to be exhausted; having an endless supply.
   • 1830, Anna Maria Porter, The Barony (volume 3, page 460)

     The exhaustless conjecturings of that evening's full conversation, made such of the small party, as had hitherto been strangers, well acquainted with each other's turn of mind […]

2. Of an automobile or similar machine, not producing exhaust; nonpolluting.

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