the GNU version of the Collaborative International Dictionary of English
adj. Inexhaustible.
The Century Dictionary and Cyclopedia
Not exhaustive: that does not exhaust, empty, or totally consume.
Not to be exhausted or spent.
Word Usage
"They weren't satisfied with the old design and don't like the new either, for all kinds of reasons which theyprovide inexhaustive and exhausting detail (and, probably, with great pleasure)."