- Undervest Subst. Adj.
- Undervoltage Subst. Adj.
- Undervulcanization Subst. Adj.
- Underwaist Subst. Adj.
- Underwater Subst. Adj. Adv.
- Underway Adj. Adv.
- Underwear Subst. Adj.
- Underweight Adj. Subst.
- Underwhelmed Adj.
- Underwhelming Adj. Subst.
- Underwing Subst. Adj.
- Underwire Subst. Adj.
- Underwood Subst. Adj. Eigenn.
- Underworking Adj. Subst.
- Underworld Subst. Adj.
- Underwriter Subst. Adj.
- Underwriting Subst. Adj.
- Underyearling Subst. Adj.
- Undescended Adj. Part. Perf.
- Undescribable Adj.
- Undeserved Adj.
- Undeserving Adj. Subst.
- Undesignated Adj. Part. Perf.
- Undesigned Adj.
- Undesigning Adj.
- Undesirable Adj. Subst.
- Undesired Adj. Part. Perf.
- Undesirous Adj.
- Undestroyed Adj.
- Undestroying Adj.
- Undestructive Adj.
- Undetachable Adj.
- Undetached Adj.
- Undetectable Adj.
- Undetected Adj. Part. Perf.
- Undeterminable Adj.
- Undetermined Adj.
- Undeterred Adj. Part. Perf.
- Undevelopable Adj.
- Undeveloped Adj.
- Undeviating Adj.
- Undevised Adj.
- Undiagnosed Adj.
- Undialized Adj.
- Undied Adj.
- Undifferentiated Adj. Part. Perf.
- Undiffused Adj. Part. Perf.
- Undigested Adj. Part. Perf.
- Undigestible Adj.
- Undignified Adj.
- Undiluted Adj. Part. Perf.
- Undimensional Adj.
- Undiminished Adj.
- Undimmed Adj. Part. Perf.
- Undiplomatic Adj.
- Undiplomatical Adj.
- Undipped Adj. Part. Perf.
- Undirected Adj. Part. Perf.
- Undirectional Adj.
- Undisbursed Adj.