adjectives
nouns
verbs
syn/ant
il-in-im-ir
100

Something unclear or uncertain

ambiguous

100
a flaw, weakness or imperfections

defect

100

to hide or keep out of sight

conceal

100

the same as having speed and quickness

velocity 

100

not legal

illegal

200

clumsy and large

bulky

200

good taste and distinction

elegance

200

to eat or chew at, erode or wear away

gnaw

200

the same as peaceful and one who is antiwar 

pacifist 

200
too vast to be measured

immeasurable

300
having dignity or being noble

dignified

300

a journey undertaken for a specific purpose

expedition

300

to bring together and blend into a whole

integrate

300

Opposite of amazing roughness.....The truck driver washed her truck with amazing roughness.

elegance 

300

not able to be changed

irreversible 

400

mass of stone or metal that comes toward Earth from outer space

meteoric 

400

individuality, uniqueness-what or who a person or thing is

identity

400

to return to pay back a wrong, to get revenge

retaliate 

400

same as combines....I like the way our team and teachers combines language arts and writing. 

integrates

400

getting no help from others

independent 

500

having to do with sailors, ships or navigation 

nautical

500

earnings from a business, to create or gain

profit

500

to cheat or trick

swindle

500

opposite of not pleasing, unattractive

scenic

500

a person who comes into a country to settle 

immigrant