inexhaustibly
Adverb
Meaning
with indefatigable energy
Source: WordNetSynonyms
infinitely
richly
lavishly
amply
handsomely
indefatigably
tirelessly
plentifully
luxuriantly
immeasurably
profusely
generously
boundlessly
affluently
Examples
God is inexhaustibly attainable in the totality of our action.
Things added to things, as statistics, civil history, are inventories. Things used as language are inexhaustibly attractive.
she watched the show indefatigably