- Undepreciated Adj. Part. Perf.
- Undepressed Adj. Part. Perf.
- Under-delivery Subst. Adj.
- Under-resourced Adj.
- Under-screen Adj.
- Under-the-table Adj. Adv.
- Underachievement Subst. Adj.
- Underachiever Subst. Adj.
- Underachieving Adj. Subst.
- Underactive Adj.
- Underage Adj. Subst.
- Underaging Subst. Adj.
- Underappreciated Adj.
- Underarm Adj. Subst. Adv.
- Underarmed Adj.
- Underassessed Adj.
- Underbaked Adj.
- Underbarrel Subst. Adj.
- Underbelly Subst. Adj.
- Underbidder Subst. Adj.
- Underblanket Subst. Adj.
- Underboarding Subst. Adj.
- Underbody Subst. Adj.
- Underbooked Adj.
- Underbred Adj. Part. Perf.
- Underbridge Subst. Adj.
- Underbrush Subst. Adj.
- Underbudgeted Adj. Part. Perf.
- Underbunching Subst. Adj.
- Underbust Subst. Adj.
- Undercapacity Subst. Adj.
- Undercapitalised Adj.
- Undercapitalization Subst. Adj.
- Undercapitalized Adj.
- Undercarriage Subst. Adj.
- Undercharged Adj.
- Underclad Adj. Verb
- Underclass Subst. Adj.
- Underclassman Subst. Adj.
- Underclay Subst. Adj.
- Underclerk Subst. Adj.
- Undercliff Subst. Adj. Eigenn.
- Underclothed Adj.
- Underclothes Subst. Adj.
- Underclothing Subst. Adj.
- Undercoat Subst. Verb Adj.
- Undercoated Adj.
- Undercoating Subst. Adj.
- Undercollar Subst. Adj.
- Undercolor Subst. Adj.
- Underconsumption Subst. Adj.
- Undercooked Adj.
- Undercooled Adj. Part. Perf.
- Undercooling Subst. Adj.
- Undercoupled Adj. Part. Perf.
- Undercoupling Subst. Adj.
- Undercover Adj. Adv.
- Undercoverage Subst. Adj.
- Undercracking Subst. Adj.
- Undercritical Adj.