1. For a very long or seemingly endless time
   "we had to wait forever and a day"
   - forever

Encyclopedia: Forever and a day

• self-sowed
• self-sown
• self-starter
• self-stimulation
• self-styled
• self-sufficiency
• self-sufficient
• self-sufficing
• self-suggestion
• self-supporting
• self-sustained
• self-sustaining
• self-taught
• self-taught art
• self-torment
• self-torture
• self-whispered
• self-will
• self-willed
• self-winding
• self-worship
• self-worth
• selfhood
• selfish
• selfish person