Bootless
Part of speech: adjective
Definition: without boots profitless; pointless; unavailing
Fruitless
Part of speech: adjective
Definition: Useless; unproductive.Bearing no fruit; barren.
Example sentence: I can't say I have enough experience with Hollywood to feel that I've encountered racism there. I can tell you that I did about five fruitless years of auditioning for voiceovers where I did variations on tacos and Latin accents, and my first screen role was as a bellhop on 'The Sopranos.'