boundlessbound‧less /ˈbaʊndləs/ adjective 
Examples
boundless energy and enthusiasm—boundlessly adverb—boundlessness noun [uncountable]
ExamplesEXAMPLES FROM OTHER DICTIONARIES
Thesaurus- boundless enthusiasm
- Taking care of small children is a job that requires boundless energy.
- They felt lost and alone on the vast, boundless sea.
- A combination of homely suburbs and hot sunshine; unblemished beaches and boundless bush; manicured parks and tropical shrubbery.
- Alice stole one long drink before rolling over in the boundless bed, fantasizing it as an endless beach of white cloud.
- Colleagues in whom he had boundless confidence had handed him papers which he had signed without reading them.
- Conceive of the boundless, but expect nothing whatever.
- Here he was, refocusing his entire history, as if it had just begun, on the dream of boundless empire.
- The human mind is vast and boundless.
- The potential applications seemed as boundless as the human imagination.
- Today, the opportunities for leaders are boundless, but so are the challenges.
Longman Language Activatorwhen there is no limit► unlimited
Collocations something that is unlimited has no fixed limit: · We pay $20 a month for unlimited Internet access.· The ticket is good for unlimited travel on the city's transportation system for 3 days.· At the time of the purchase, the extent of Alaska and its resources must have seemed unlimited.
► there is no limit use this to say that someone can have or do as much of something as they want: there is no limit to/on: · If we work together, there's no limit to what we can achieve.· There's no limit to the number of times you can register to win.
► boundless having no limit - used especially in literature: · Taking care of small children is a job that requires boundless energy.· They felt lost and alone on the vast, boundless sea.
► infinite something that is infinite has no limit and no end, or does not have one that you can easily see - used especially in scientific contexts: · The variations of color that a human eye can see are infinite.· infinite space· A natural language contains an infinite number of grammatical sentences.
► the sky's the limit if you say the sky's the limit , you mean that there is no upper limit on something such as the amount of money you can spend or on the success that you can have: · Pick out whatever you want - the sky's the limit.· We try to make our engineers feel that the sky's the limit when it comes to what they can design.
COLLOCATIONS FROM OTHER ENTRIES► boundless energy
having no limit or end: (=that seems to have no limit)· The children ran up and down the beach with boundless energy.
► boundless/unbounded enthusiasm formal (=very great)· I’d like to thank the design team for their boundless enthusiasm.
COLLOCATIONS FROM THE CORPUSNOUN► energy· Her appetite for life, boundless energy and numerous gifts and graces made her an all-round person.· She was a woman of boundless energy.· For Silly-Willie the household difficulties and decay supplied an outlet for boundless energy.· The Tony -, Grammyand Emmy-winner sings her classics as well as new tunes with boundless energy and bawdy humor.· Rambush was appointed chief engineer and his boundless energy and leadership earned him rapid promotion with ever greater responsibilities.· Bayer was a passionate, excitable activist with boundless energy and a huge grassroots network of local contacts at his disposal.
boundless energy and enthusiasm—boundlessly adverb—boundlessness noun [uncountable]