Meaning

adjective without limits in extent or size or quantity

adjective having no limits in range or scope; - Philip Rahv

adjective seemingly boundless in amount, number, degree, or especially extent

originEtymology tree English limit Proto-Indo-European *lewh₁- Proto-Indo-European *lewHs-der. Proto-Germanic *leusaną Proto-Germanic *lausaz Proto-Germanic *-lausaz Proto-West Germanic *-laus Old English -lēas Middle English -les English -less English limitless From limit + -less.

Etymology from Wiktionary, CC BY-SA 3.0