12-Letter Words Containing: M,A,T,S,U,R,I,S

• a policy of opposition to enlightenment or the spread of knowledge

• a deliberate act intended to make something obscure

• a geometric abstractionist movement originated by Kazimir Malevich in Russia that influenced constructivism

• a person who advocates the supremacy of some particular group or racial group over all others

• recklessness in politics or foreign affairs

• (theology) any doctrine that asserts the separate existence of God

• the belief that the spirits of dead people can communicate with people who are still alive (especially via a medium)

• concern with things of the spirit

• According to the World Meteorological Organization, a mid-level, principal cloud type, generally formless and dark grey in colour, which forms from altostratus occurring in layers at the middle altitude of the troposphere (usually above 2400 metres). Nimbostratus usually brings precipitation as the mid-level clouds thicken and subside into the low level of the troposphere. Frontal or cyclonic lift can also carry the top of a deep nimbostratus layer into the high levels of the troposphere. Also classified or characterized as multi-level; abbreviated Ns.