| copious(adjective, abundant) |
| countless(adjective, vast, endless, immense, infinite) |
| tireless(adjective, strong, continue, firm, energetic) |
| unfathomable(adjective, vast, endless, immense, infinite) |
| vast(adjective, absolute, endless, immense, infinite) |
| abounding |
| ample(adjective, abundant) |
| exhaustless(adjective, sufficiency, infinity) |
| exuberant |
| indeterminate(adjective, vague, unknown, general, unclear) |
| perpetual(adjective, absolute, endless, immense, infinite) |
| unwearied(adjective, strong, continue, firm, energetic) |
| weariless(adjective, continue, tired, tireless) |
| eternal(adjective, certain, absolute, reliable, endless) |
| generous |
| incomprehensible(immense, infinite, boundless, unlimited, infinity) |
| unrestricted |
| unwearying(adjective, tireless) |
| indefinite(adjective, vague, unknown, ambiguous, endless) |
| never-ending(adjective, absolute, endless, immense, infinite) |