Synonym
Valuable
Something of great worth.
Disappointed
I was disappointed that I did not make the team.
Vanish
Disappear.
Furious
Calm/ happy
Avoid
To stay away from someone or something.
Climate
It is a much cooler climate in Antarctica.
Mend
Fix
Assist
To help someone.
Defend
I need you to defend me in this discussion.
Frighten
I will scare the bird.
Estimate
Guess/ evaluate/ judge/ approximate/ appraise.
Friendly
Mean/ hostile/ rude
Necessary
Something that needs to be done/ achieved.
Persuade
I need to persuade her to buy the book.
Accurate
The report was correct/ precise/ specific/ faultless/ perfect.