See more synonyms on Thesaurus.com. verb (used without object), persevered, persevering. 1. to persist in anything undertaken; maintain a purpose in spite of difficulty, obstacles, or discouragement; continue steadfastly.
The song 'Secret Agent Man' composed for Secret Agent (1964), can be also heard in Ace Ventura: When Nature Calls (1995), Spy Hard (1996), Austin Powers: International Man of Mystery (1997), Bowfinger (1999) and Company Man (2000) (instrumental version).
Background Information.  1 Gitchee Gitchee Goo, the show's theme song, and Perry the Platypus were the first songs written for the series. 2  The song may have been inspired or may be a parody of Secret Agent Man, a song sung by Johnny Rivers as the theme song to the 1960s British television series Danger Man.