say it: LIM-uht-luhs
limitless is an adjective meaning "without limits in extent or size or quantity". It carries 3 recorded senses.
without limits in extent or size or quantity
“limitless vastness of our solar system”
“The long unmeasured pulse of time moves everything. There is nothing hidden that it cannot bring to light, nothing once known that may not become unknown.”
having no limits in range or scope
“to start with a theory of unlimited freedom is to end up with unlimited despotism”
“the limitless reaches of outer space”
Definitions, synonyms and semantic relations for limitless come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.