| disconsolate |
hopelessly unhappy; dejected. |
| disquiet |
lack of mental calm or peace; anxiety; uneasiness. |
| imponderable |
unable to be evaluated or calculated accurately. |
| insuperable |
not able to be conquered or overcome. |
| invariable |
not subject to change; consistently the same. |
| juncture |
a particular point in time, especially a point of serious importance or crisis. |
| malleable |
capable of being shaped, as by hammering or rolling. |
| manacle |
a metal fetter like a bracelet, usually one of a pair linked by a chain, used to shackle the wrists; handcuff. |
| pivotal |
critically important or crucial; on which something is contingent. |
| reassess |
to evaluate again. |
| rivulet |
a tiny stream or brook; trickle. |
| sporadic |
occurring irregularly or in a thinly scattered manner in time or space. |
| trajectory |
the actual or expected path of a moving object, especially the curve followed by a projectile, missile, or spacecraft in flight. |
| untested |
not having been tried or used in a way that would prove or disprove effectiveness or validity. |
| vertigo |
a sensation of unsteadiness or dizziness, such that one's surroundings seem to be whirling around. |