Unending, continuing forever, having no expiration date.
Related information about perpetual:
- Perpetual - Merriam-Webster Online
 b (1) : valid for all time <a perpetual right> (2) : holding (as an office) for life or for   an unlimited time. 2. : occurring continually : indefinitely long-continued ...
 
- Perpetual | Define Perpetual at Dictionary.com
 continuing or continued without intermission or interruption; ceaseless: a   perpetual stream of visitors all day. 4. blooming almost continuously throughout   the ...
 
- perpetual - definition of perpetual by the Free Online Dictionary ...
 per·pet·u·al (p r-p ch - l). adj. 1. Lasting for eternity. 2. Continuing or lasting for an   indefinitely long time. 3. Instituted to be in effect or have tenure for an unlimited ...
 
- Perpetual - Wikipedia, the free encyclopedia
 Perpetual, meaning "eternal", may refer to: Perpetual bond, a bond that pays   coupons forever; Perpetual curacy, a type of Christian priesthood; Perpetual ...
 
- Perpetual motion - Wikipedia, the free encyclopedia
 Perpetual motion describes "motion that continues indefinitely without any   external source of energy; impossible in practice because of friction." It can also   be ...
 
- Investments, superannuation, retirement, & advice | Perpetual
 Perpetual is one of Australia's most experienced investment services groups, with   an enduring passion for protecting and growing our clients' wealth.
 
- Perpetual Kid- Unique Gifts to Entertain Your Inner Child
 Unique gifts are easy to find at Perpetual Kid. Home to the largest selection of fun   & functional gifts for the young at heart! Thousands of gift ideas for Father's Day ...
 
- Perpetual Synonyms, Perpetual Antonyms | Thesaurus.com
 Synonyms for perpetual at Thesaurus.com with free online thesaurus, antonyms,   and definitions. Dictionary and Word of the Day.