| A | B |
|---|
| monastery | religious house where one goes to be alone, away from the world |
| monotone | having one sound or tone |
| monophobia | fear of being alone |
| union | act of combining separate items into one |
| unison | sung with one voice |
| monogamy | having one spouse |
| unique | one of a kind |
| monopoly | control of sales by one person or company |
| monocle | an eyeglass for one eye |
| monolith | one single, large stone or monument |
| uniform | having one form |
| monarch | one ruler, king |
| monosyllabic | using words of one syllable |
| universe | all created things turned into one thing; all existing things regarded as a whole |
| monomania | restricted to one idea |
| monogram | single letter or combination of letters to stand for a name |
| unicorn | mythical horse-like creature with one horn |
| monotheism | believing in one god |
| monologue | lengthy speech given by one person |
| monochromatic | consisting of one color |
