- Obsolete
adj. no longer used; rare or uncommon
Historians assumed record players would be obsolete by now, but in fact they're making a huge comeback.
- Tremendous
adj. very large, good, or bad in degree or size
Tremendous news! You don't have to repay your loans!
- Diligence
n. conscientiousness; the quality of being committed to a task
Diligence and confidence will get you far in life.