15-letter words containing m, a, s, p, r
- spread-eagleism — boastfulness or bombast, especially in the display of patriotic or nationalistic pride in the U.S.; flag-waving.
- spring mattress — a mattress containing an arrangement of spiral springs
- stamping ground — a habitual or favorite haunt.
- strephosymbolia — a condition of perceiving objects as their mirror image and, specifically, having difficulty in distinguishing letters in words
- sublapsarianism — infralapsarianism.
- sumatra camphor — borneol.
- supernaturalism — supernatural character or agency.
- superparasitism — the parasitic deposit of eggs on a host already parasitized by a different member of the same species
- superpatriotism — the quality of being superpatriotic
- sympathy strike — a strike by a body of workers, not because of grievances against their own employer, but by way of endorsing and aiding another group of workers who are on strike or have been locked out.
- system operator — a person who maintains a computer system or network, especially one who operates a computer bulletin board.
- tetrasporangium — a sporangium containing four asexual spores.
- the paralympics — a sporting event, modelled on the Olympic Games, held solely for disabled competitors
- to take up arms — If one group or country takes up arms against another, they prepare to attack and fight them.
- trypanosomiasis — any infection caused by a trypanosome.
- ultramicroscope — an instrument that uses scattering phenomena to detect the position of objects too small to be seen by an ordinary microscope.
- ultramicroscopy — the use of the ultramicroscope.
- uncompromisable — that cannot or should not be compromised
- undercompensate — to compensate or pay less than is fair, customary, or expected.
- unsportsmanlike — a man who engages in sports, especially in some open-air sport, as hunting, fishing, racing, etc.
- upperclasswoman — An upperclasswoman is a junior or senior student in a high school, college, or university.
- vernier compass — a compass on a transit (vernier transit) having a vernier for adjusting magnetic bearings to read as true bearings.
- wallpaper music — music that is pleasant but not interesting, so people do not pay much attention to it
- white supremacy — the belief, theory, or doctrine that white people are inherently superior to people from all other racial groups, especially black people, and are therefore rightfully the dominant group in any society.