Defreeze (verb)
To defrost, to unfreeze.
Defrost (verb)
To remove frost from.
“I have just defrosted the fridge.”
Defrost (verb)
To thaw something.
“Will you defrost the chops for supper tonight?”
Defrost (verb)
To recover from something tiresome.
“See you tomorrow evening; I’ll have defrosted from my trip by then.”
Defrost (noun)
The removal of frost.
Wiktionary