(evolutionary theory) An organism exhibiting a significant mutation that may form a new lineage according to macromutation theory.

(idiomatic) A particular dance danced to the novelty song Monster Mash (1962).

(mathematics) The unexpected connection between the Monster group and modular functions, now known to relate to a certain conformal field theory having the Monster group as symmetries.

plural of monster hand

(poker) A powerful hand (group of cards of a player), one that will rarely be beaten.

plural of Monseigneur

plural of monsoon bucket

(archaic) Rare; extraordinary; marvelous / (informal) Characterised by or similar to monsters.

plural of monster mash

(countable) A surname from Swedish. / A census-designated place in Tulare County, California, United States. / A town in Piscataquis County, Maine, United States.