irreplaceable /ir-i-plāˈsə-bl/

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

irreplaceˈably adverb

• lengthy
• lenience
• leniences
• leniencies
• leniency
• lenient
• leniently
• lenients
• lenified
• lenifies
• lenify
• lenifying
• Leninism
• Leninist
• Leninite
• lenis
• lenite
• lenities
• lenition
• lenitions
• lenitive
• lenitives
• lenity
• leno
• lenocinium