ενήλικας (enilikas)
Eleftheria is the greek word for freedom.
The greek word for rock is petro.
The Greek word Kyrios means lord or master.
It ultimately comes from Greek, the word genesismeaning 'birth'.
The word adult is a noun, a singular, common noun, a word for a person. A pronoun is a word that takes the place of a noun in a sentence. The appropriate pronouns for the noun adult are he or she as a subject, and him or her as the object of a sentence.
Not much of an answer because the question needs to be rephrased. But there are a few possible answers guessing what the questioner is actually asking. If by "adult world" you mean "adult film", "Greek" or "Greek style" means anal sex. If you are asking what do people mean by "that's Greek to me", they mean they cannot understand because it is completely foreign and incomprehensible.
The Greek word for experience is εμπειρία (empeiría).
the greek word for egg is: avgo
The Greek word for science is: Epistimiand in Greek is written: Επιστήμη
The greek word for animal is zodiac. The greek word for turtle is still unknown.
There is no word for jeans in Greek. We use the word ''jeans'' or in Greek letters τζίνς.
In Greek, the word "collo" does not have a specific meaning. It is not a Greek word.
There is no Greek word for golf. We use the word ''golf'' or in Greek letters ''Γκόλφ''.
The Greek word for "prosperity" is ευημερία (evimería).
Psychology is a a Greek word. Greek : ψυχολογία
The Greek word for heavy in Greek is Βαρύς(varis).
The Greek word for "Deal" is "αντιμετώπιση".