1. Without limits in extent or size or quantity
   "limitless vastness of our solar system"
   - illimitable, measureless 
2. Having no limits in range or scope
   "the limitless reaches of outer space"
   - unlimited 
3. Seemingly boundless in amount, number, degree, or especially extent
   "a limitless supply of money"
   - boundless, unbounded

See also: bottomless, immeasurable, immensurable, immensurate, infinite, limitlessness, oceanic, unmeasurable, unmeasured, untrammeled [US], untrammelled [Brit, Cdn]

Encyclopedia: Limitless

• embroideress
• embroidery
• embroidery frame
• embroidery hoop
• embroidery needle
• embroidery stitch
• embroil
• embroiled
• embroilment
• embrown
• embryo
• embryogenic
• embryogeny
• embryologic
• embryologist
• embryology
• embryoma of the kidney
• embryonal
• embryonal carcinoma
• embryonal carcinosarcoma
• embryonal rhabdomyosarcoma
• embryonal rhabdosarcoma
• embryonic
• embryonic cell
• embryonic membrane