boundless
Definitions
Having no boundaries; infinite or vast.
Limitless or immense in extent, size, or degree.
Examples
The explorer gazed out at the boundless horizon, eager to discover what lay beyond.
Her boundless energy and enthusiasm for the project inspired the entire team to work harder.
Synonyms
infinite limitless endless vast immeasurable unbounded unlimited
Antonyms
limited finite restricted bounded confined small circumscribed