having no limits or dimensions in space; limitless; unbounded
2.
occupying no space
Word origin
[1600–10; space + -less]This word is first recorded in the period 1600–10. Other words that entered Englishat around the same time include: adaptation, criticism, dolly, skid, syndicate-less an adjective suffix meaning “without” (childless; peerless), and in adjectives derived from verbs, indicating failure or inability to performor be performed (resistless; tireless)