| meld | To blend or mix together to become a cohesive whole | |
| mendacity | Untruthfulness; tendency to lie | |
| mendicant | A beggar or religious follower who lives by asking people for money or food | |
| menial | Of or relating to low-level, humble or undemanding tasks | |
| mercenary | A professional soldier hired to serve in a foreign army | |
| mercurial | characterized by rapid and unpredictable changes in mood | |
| meretricious | Apparently attractive but having in reality no value or integrity | |
| meteorological | Relating to the study of the atmosphere and the various phenomena associated with it, such as weather and climate. | |
| meticulous | Showing great attention to detail; very careful and precise | |
| mettle | A person's ability to cope well with difficulties or to face a demanding situation in a spirited and resilient way | |