unbounded

Webster's Dictionary (1913)

Formed with the prefix un- (“not”): To past particles, or to adjectives formed after the analogy of past particles, to indicate the absence of the condition or state expressed by them. See bounded.

Having no bound or limit; as, unbounded space; an, unbounded ambition. Joseph Addison — Un·bound′wb-a1′>′ed·ly, adverb — Un·bound′wb-a1′>′ed·ness, noun

Webster’s Revised Unabridged Dictionary (1913), from GCIDE 0.54