| A | B |
| optional | left to one's own choice; not required |
| outright | complete; instantaneous; without reservation, completely |
| rendezvous | to meet in accordance with a plan; a meeting by agreement; a meeting place |
| rotund | rounded and plump; full or rich in sound |
| verge | the point at which something begins or happens; a border; to incline, tend toward, approach |
| sluggish | lazy; slow-moving; not active, dull |
| subordinate | lower in rank or position, secondary |
| tint | a delicate color or hue; a slight trace of something; to give color to something; to dye |
| variable | likely to undergo change; changeable; a value or quantity that varies |
| saunter | to stroll; walk in an easy, leisurely way; a stroll |