firmament /fûrˈmə-mənt/

1. The solid sphere in which the stars were formerly thought to be fixed
2. The sky

firmamental /-mentˈl/ adjective

• overactive
• overactivities
• overactivity
• overacts
• over again
• over against
• over age
• over-age
• overage
• overages
• over-all
• overall
• overalled
• overalls
• overambitious
• over and above
• over and out
• over and over
• over and over again
• over-and-under
• over-anxiety
• over-anxious
• over-anxiously
• overarch
• overarched