| A | B |
| monochrome | having one color; a painting, design, photo, or outfit that is only one color or shades of one color |
| monocle | an eyeglass for one eye |
| monolingual | speaking or writing only one language |
| monolith | something made out of one single large block or piece of stone; one single stone monument |
| monologue | a long speech given by one person |
| monophobia | an abnormal fear of being the only one there; fear of being alone |
| monopoly | control of a product or service by one company |
| monorail | a track for subway or train cars that only has one rail |
| monosyllabic | having only one syllable |
| monotone | a speech in which every word has one tone of voice |
| circumspect | careful to look at all possibilities before acting; cautious; aware of consequences |
| inspect | to look at carefully in search of flaws |
| introspection | the act of looking into one's own thoughts and feelings |
| perspective | one way of looking at things |
| respect | to look up to someone; to show honor |
| retrospective | looking back at past things |
| spectacle | something displayed for the public to see |
| spectacles | glasses that help someone see better |
| spectator | a person who watches something, such as a sporting event |
| speculate | to look at and think about something from different points of view |