1. One's native language; the language learned by children and passed from one generation to the next
   - mother tongue, first language

Type of: natural language, tongue

• uncoil
• uncoiled
• uncollected
• uncollectible
• uncolored
• uncoloured
• uncolumned
• uncombable
• uncombed
• uncombined
• uncomely
• uncomfortable
• uncomfortableness
• uncomfortably
• uncommercial
• uncommercialised
• uncommercialized
• uncommitted
• uncommon
• uncommonly
• uncommonness
• uncommunicative
• uncommunicativeness
• Uncompahgre Peak
• uncomparable