1. Of or relating to a geological eon (longer than an era)
   - eonian [N. Amer] 
2. Continuing forever or indefinitely
   - ageless, eonian [N. Amer], eternal, everlasting, perpetual, unending, unceasing

See also: aeon, lasting, permanent

• soft-shoe shuffle
• soft-soap
• soft-solder
• soft-spoken
• soft-witted
• softback
• softback book
• softball
• softball game
• soften
• softened
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• softening
• softheaded
• softhearted
• softheartedness
• softie
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• softly
• softly-softly
• softness
• software
• software developer
• software documentation
• software engineer