1. Shed at an early stage of development
   "most amphibians have caducous gills"; "the caducous calyx of a poppy"
   - shed

See also: deciduous

Antonym: persistent

• untamed
• untangle
• untangled
• untangling
• untanned
• untaped
• untapped
• untarnished
• untasted
• untaught
• untaxed
• unteach
• unteachable
• untechnical
• untellable
• untempered
• untempting
• untenable
• untenanted
• untended
• Untermeyer
• untested
• untethered
• unthankful
• unthaw