Arid is another word for extremely dry.
huge
huge
The four letter word that means, "I forbid," is veto.veto
The four letter word is dawn.
A four letter word meaning the foundation of something is base.
Exit
The word is scam.
Rend is a four letter word that means to tear into pieces. Tear is also a four letter word meaning to pull apart.
very
very
Very high on the list of words I only know because of crosswords: the answer is "stoa".
aide