irreplaceable /ir-i-plāˈsə-bl/

1. Whose loss cannot be made good
2. Without possible substitute

irreplaceˈably adverb

• subcortexes
• subcortical
• subcortices
• subcosta
• subcostal
• subcostals
• subcranial
• subcritical
• subcrust
• subcrustal
• subcrusts
• subcultural
• subculture
• subcultures
• subcutaneous
• subcutaneously
• subdeacon
• subdeaconries
• subdeaconry
• subdeacons
• subdeaconship
• subdeaconships
• subdean
• subdeaneries
• subdeanery