Ennui- The feeling of listlessness, lack of motivation and unhappiness.
Groundswell: a sudden gathering of force, as of public opinion;
A broad deep undulation of the ocean, often caused by a distant storm or an earthquake.
Harebrained: having or showing little sense; foolish
Illeism - A person talking about themselves in the third person.
Eg-"Dobby has no master. Dobby is a free elf! "-Dobby
Lassitude: a state or feeling of weariness, diminished energy, or listlessness
Mondegreen - a misunderstood or misinterpreted word or phrase resulting from a mishearing of the lyrics of a song
Non-tenured: used to refer to a teacher in a college or university who does not have tenure (= the right to remain permanently in a job):
Ostensible - stated or appearing to be true, but not necessarily so
Quantum : any of the very small increments or parcels into which many forms of energy are subdivided
Rotable - a Qualified Spare Part that wears over time and can be repeatedly restored to a serviceable condition over a period approximating the life of the flight equipment to which it relates.
Stringent- When something is strict, rigid or precise.