I decided to create this list with new English words that I learned.

https://ygdp.yale.edu/phenomena/double-is

The double-IS construction involves two instances of the verb is occurring together, as in sentence (1):

1) The funny thing is is that Lisa was there too.

2020-10

firmament: the field or sphere of an interest or activity.

amorphous: having no definite form : SHAPELESS

scourge: something or someone that causes great suffering or a lot of trouble.
eg: Memory unsafety is currently a scourge for our industry.

stash: store (something) safely and secretly in a specified place.

in tandem: together or in conjuntion.
eg: Given a nominal exchange rate the price of two goods which are relatively good substitutes should move in tandem.

slack: not tense or taut; loose; a period of little activity.
eg: What is economic slack?

Economic slack is a phrase used to describe the amount of resources in the economy that are not used. Machines left idle in a factory or people who cannot find a job represent slack to an economist.

incumbent: 1. necessary for (someone) as a duty or responsibility; 2. (of an official or regime) currently holding office.

impervious: not allowing fluid to pass through.
eg: seemingly impervious to monetary policy stimulus.

inimical: tending to obstruct or harm.

spat: A past tense and a past participle of spit.

spit it out!: (informal Brit) a command given to someone that he should speak forthwith

forthwith: at once; immediately.

leash: a strap or cord for restraining and guiding a dog or other animal.

gelled: past tense of gel.

gel: to take shape or become clear.

astray: away from the correct path or direction.

bystander: a person who is present at an event or incident but does not take part.
eg: Are we completely innocent bystanders?

loathing: a feeling of intense dislike or disgust.

quagmire: an awkward, complex, or embarrassing situation.

spotty: lacking consistency, as in quality; uneven.

clog: an obstruction or hindrance.

disgruntled: angry or dissatisfied.

2020-09

foisted: impose an unwelcome or unnecessary person or thing on.

abreast: side by side and facing the same way.

mesh:

  1. (of the teeth of a gearwheel) lock together or be engaged with another gearwheel;
  2. to cause to work closely together; coordinate;
  3. to become entangled. eg: The object oriented paradigm meshes well with the needs of client-server and distributed software.

trappings: the accessories and adornments that characterize or symbolize a condition, office, etc.
eg: Unfortunately, “object oriented” remains misunderstood, over-marketed as the silver bullet that will solve all our software ills, or takes on the trappings of a religion.

adamant: refusing to be persuaded or to change one’s mind.

fifty-fifty: the same in share or proportion.