Dic: unstinting, stint

• The task of producing the text was made easier by the unstinting help and generosity extended to me.
• unstinting praise.

1. ADJ : usu ADJ n | Unstinting help, care, or praise is great in amount or degree and is given generously.
2. unstinting: Adj. generous and gladly given.

....Cobuild, Collins Essential

stint:

1. v.tr. | 1. To restrict or limit, as in amount or number; be sparing with. | 2. Archaic. To cause to stop.
2. v.intr. | 1. To subsist on a meager allowance; be frugal. | 2. Archaic To stop or desist.
3. n. | 1. A length of time spent in a particular way: a two-year stint in the military. | 2. A fixed amount or share of work allotted. See Synonyms at task. | 3. A limitation or restriction: working without stint.

.... The American Heritage