| mustn't |
contracted form of "must not." |
| musty |
smelling or tasting of mold. [2 definitions] |
| mutable |
able or likely to change. [2 definitions] |
| mutagen |
an agent or substance such as radiation that is capable of increasing the frequency of mutation. |
| mutant |
an organism that differs from its parents as a result of mutation. |
| mutate |
to display or cause to display a physical trait or characteristic that is different from one's parent or parents as a result of a change within a gene or chromosome. |
| mutation |
a sudden, apparently abnormal change or alteration in a genetically determined structure, as opposed to gradual evolutionary change. [3 definitions] |
| mutatis mutandis |
(Latin) all required changes of substance or wording having been made. |
| mute |
not speaking or uttering sound; silent. [9 definitions] |
| mutilate |
to sever or destroy a limb or other essential part of (a person or animal). [2 definitions] |
| mutineer |
one who engages in open rebellion against constituted authority, esp. against one's military superior. |
| mutinous |
concerning, inclined to, or engaged in a mutiny. [2 definitions] |
| mutiny |
open rebellion of subordinates against their established leaders, esp. of military personnel against their superior officers. [2 definitions] |
| mutism |
the physical or psychological inability or refusal to speak. |
| mutt |
a dog of mixed or unknown breed; mongrel. |
| mutter |
to speak unclearly in a low tone; mumble; murmur. [4 definitions] |
| mutton |
the meat of a mature sheep, as distinguished from lamb. |
| muttonchops |
side whiskers on either side of a clean-shaven chin, that are rounded and broad at the lower jaw and narrow at the temple. |
| mutual |
felt, experienced, or possessed equally by each for the other or others, as among two or more persons. [4 definitions] |
| mutual fund |
a fund managed by an investment company that raises money from shareholders and invests it in stocks, bonds, options, and the like. |
| mutual savings bank |
a savings bank that distributes its net earnings to its depositors and has no capital. |