The likely antonym is "powerful" but it could also be forceful, or athletic.
weak
weak
lame
stop or halt is a four letter word meaning the opposite of go.
left is a four-letter word
A four letter word and the opposite of fat would be thin.
into
A four letter word that is opposite of received and starts with the letter g is gave.
they
Bare . .
fire
Deny
nice
dear