sempiternal

1. Having no known beginning and presumably no end (synset 301011536)
   "the dateless rise and fall of the tides"; "time is endless"; "sempiternal truth"
   similar to: infinite - having no limits or boundaries in time or space or extent or magnitude
   same as: dateless, endless

Other Searches

• Rhyme: Dillfrog, RhymeZone
• Definition: Wiktionary, Dictionary.com, Wikipedia, Merriam-Webster, WordNet, Power Thesaurus
• Imagery: Google, Flickr, Bing