| abrupt |
sudden and not expected. |
| allegedly |
according to what has been claimed although not proven. |
| cipher |
a system that substitutes letters and symbols for the letters and symbols contained in a written message in order to conceal its meaning; code. |
| descent |
the act or process of going downward. |
| enthrall |
to hold the complete attention of; fascinate. |
| ethic |
(plural) an individual's or group's moral principles. |
| experimental |
having to do with testing or experiments. |
| optimism |
the belief that things will turn out well or that there is always hope for something good to happen. |
| quarantine |
the keeping of a person, animal, or thing away from others to stop a disease from spreading. |
| safeguard |
a person, thing, or action that gives protection; a way of making sure that something is safe. |
| solely |
only; for no other reason; completely. |
| squander |
to spend or expend (money, time, or effort) wastefully. |
| stealth |
secretive, surreptitious, or covert movement or procedure; sneakiness; furtiveness. |
| tantalize |
to tease or torment with the sight or prospect of something desirable but unattainable. |
| verge |
the border or edge of something. |