13-letter words containing r, a, d, i, o, u
- unconstrained — forced, compelled, or obliged: a constrained confession.
- uncoordinated — of the same order or degree; equal in rank or importance.
- under pain of — physical suffering or distress, as due to injury, illness, etc.
- underreaction — to react with less than the expected or appropriate emotion.
- undirectional — of, relating to, or indicating direction in space.
- undiscouraged — to deprive of courage, hope, or confidence; dishearten; dispirit.
- undoctrinaire — a person who does not subscribe to a particular doctrine or theory; a free thinker
- unobliterated — to blot out or render undecipherable (writing, marks, etc.); efface.
- untraditional — of or relating to tradition.
- uranium oxide — any of the compounds of uranium and oxygen, as UO 2 , UO 3 , U 4 O 9 , or U 3 O 8 .
- young ireland — a movement or party of Irish patriots in the 1840s who split with Daniel O'Connell because they favoured a more violent policy than that which he promoted
- zero altitude — the height at which the atmospheric pressure is 610.5Pa