12-letter words containing s, e, r, u, m
- unremorseful — full of remorse.
- unseminaried — not having a seminary education
- unslumbering — not sleeping
- unsurmounted — to mount upon; get on the top of; mount upon and cross over: to surmount a hill.
- untransmuted — not transmuted; that has not been transmuted or transformed
- untremendous — not tremendous or marvellous; not astounding or inspiring awe
- ureterostomy — the construction of an artificial opening from the ureter through the abdominal wall or the flanks, permitting the passage of urine.
- urethrostomy — the construction of an artificial opening from the urethra through the perineum, permitting the passage of urine.
- vacuum servo — a servomechanism that is operated by the lowering of pressure in the intake duct of an internal-combustion engine
- very much so — The expression very much so is an emphatic way of answering 'yes' to something or saying that it is true or correct.
- vesper mouse — white-footed mouse.
- volunteerism — voluntarism (def 2).
- warehouseman — a person who stores goods for others for pay.
- warehousemen — Irregular plural form of warehouseman.
- xiphisternum — The lowest part of the sternum; the xiphoid process.
- your-majesty — regal, lofty, or stately dignity; imposing character; grandeur: majesty of bearing; the majesty of Chartres.
- zebra mussel — a small striped freshwater mussel from NE Europe, Dreissena polymorpha: introduced to the Great Lakes in the 1980s and deleteriously affecting water pipes, other fauna, etc.