| A founder of aerodynamics |
| Underground burial chamber |
| Dadaism co-founder Jean |
| Bring under control |
| Down-under soldier |
| Undergarment |
| Mutually misunderstanding |
| Vancouver founders of hardcore punk |
| Actress Ambrose of "Six Feet Under |
| An Enquiry Concerning Human Understanding" essayist |
| ALS Ice Bucket Challenge participant who's scored 4,976 buckets for the SuperSonics and Thunder: 2 wds. |
| Allen Dulles headed it for eight years under D.D.E. |
| Arms of the underworld |
| Weird Al" Yankovic single about a nuclear holocaust during the holidays, which contains the line "...underneath the missile-toe |
| Actor who served under the real-life US colonel he portrays in "12 Strong": 2 wds. |
| A V.P. under Madison |
| Dessert that, if you can't both "have" and "eat," I don't really understand the meaning of "have |
| Pioneering underground publication of the 1960s |
| Moody Blues co-founder Laine's real importance? |
| Target of 2006 United Nations sanctions |
| Close-fitting undergarments |
| Aftermath Entertainment founder, familiarly |
| Undergarments with push-up and minimizer options |
| Underdog's retort |
| Underwater skeleton |
| Short bounders? |
| ___ Awards (show hosted by Brad Paisley and Carrie Underwood this year): Abbr. |
| Paris underground system |
| G.I.'s undertaking |
| Courtier who sat under a sword |