Category 1
Category 2
Category 3
Category 4
100

available

ready for use, at hand

100

firebrand

a piece of burning wood; a troublemaker; an extremely energetic or emotional person

100

indispensable

absolutely necessary, not to be neglected

100

poised

balanced, suspended; calm, controlled; ready for action

200

cater

to satisfy the needs of, try to make things easy and pleasant, to supply food and service

200

hazard

risk, peril; to expose to danger or harm; to gamble

200

lubricate

to apply oil or grease; to make smooth, slippery, or  easier to use
200

regime

a government in power; a form or system of rule management; a period of rule

300

customary

usual, expected, routine
300

homicide

the killing of one person by another

300

mutual

shared, felt, or shown equally by two or more

300

transparent

allowing light to pass through; easily recognized or understood; easily seen through or detected

400

dissuade

to persuade not to do something

400

indifference

a lack of interest or concern

400

pelt

to throw a stream of things; to strike successfully; to hurry

400

unscathed

wholly unharmed, not injured

500

entrepreneur

a person who starts up and takes on the risk of a business

500

indignant

filled with resentment or anger; cover something unjust, unworthy, or mean

500

plague

an easily spread disease causing a large number of deaths; a widespread evil

500

hinder

to delay; to stop or prevent from happening

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