SYNONYMS
NEGATIVE PREFIXES
PRONUNCIATION
TRENDS
100

TRIAL

ORDEAL

100

RELIABLE

UNRELIABLE

100

REFILL (VERB)

REFILL

100

TO BECOME POPULAR OF FASHIONABLE

CATCH ON

200

OBSTACLE

HURDLE

200

MATURE

IMMATURE

200

PROTEST (NOUN)

PROTEST

200

A STRONG, NEGATIVE REACTION BY A LARGE GROUP OF PEOPLE

BACKLASH

300

UNDERTAKING

MISSION

300

QUALIFY

DISQUALIFY

300

PRESENT (VERB) 

PRESENT

300

DESCRIBES ITEMS THAT ARE OLD, BUT KEPT IN A GOOD CONDITION BECAUSE THEY'RE STILL INTERESTING 

VINTAGE

400

EXPLOITS

ADVENTURE

400

LITERATE

ILLITERATE

400

RECORD (VERB) 

RECORD

400

EXTREMELY MODERN OR ADVANCED

CUTTING-EDGE

500

ACCOMPLISHMENT

FEAT
500

NATURAL

UNNATURAL

500

UPDATE (NOUN)

UPDATE

500

NO LONGER RELEVANT/FASHIONABLE/USABLE

OUTDATED