Adjective
Noun
Verb
Phrasal Verb
Expression/Idiom
100

savvy

having practical knowledge, shrewdness, and good judgment about a specific subject

100

impetus

something that encourages a particular activity

100

to derail

to prevent a plan or process from succeeding

100

to lay off

to stop employing someone, usually because there is no work for them to do

100

when push comes to shoe

it can be done if the situation intensifies to the point that you have to do something about it 

200

jarring

a sight, sound, or experience is so different or unexpected that it has a strong and unpleasant effect on someone

200

 backlog

things/work that is piling up waiting to be done or dealt with

200

to segue

to move easily and without interruption from one piece of music, part of a story, subject, or situation to another

200

to pare down

to reduce in size/length etc. 

200

the lion's share

the largest part or most of something

300

convoluted

 sentences, explanations, arguments, etc. that are unreasonably long and difficult to understand:

300

asset

 useful or valuable quality, skill, person, possession

300

to allocate

to give something to someone as their share of a total amount,

300

to usher in

to cause important changes to start happening:

300

the haves and the have nots

the people who are not poor and the people who are poor

400

staggering

very shocking and surprising

400

the onus

the responsibility or duty to do something

400

to subsidize

to pay part of the cost of something

400

to tend to

to care for something or someone

400

to get a word in edgewise

to find a chance to speak or insert a comment into a conversation when someone else is talking continuously and dominating the discussion

500

stealthy

quiet and careful in order not to be seen or heard

500

outlier

a person, thing, or fact that is very different from other people, things, or facts

500

to shimmer

to shine in such a way that the light seems to shake slightly and quickly

500

to ein in

to control something and stop it increasing

500

the bane of my existence

a person, thing, or situation that is a constant source of trouble, frustration, misery, or annoyance