The difference between Deceased and Gone

When used as adjectives, deceased means no longer alive, dead, whereas gone means away, having left.

Deceased is also noun with the meaning: a dead person.

Gone is also preposition with the meaning: past, after, later than (a time).

check bellow for the other definitions of Deceased and Gone

Deceased as an adjective:

No longer alive, dead
Deceased as an adjective:

Belonging to the dead.
Deceased as an adjective (legal):

One who has died. In property law, the alternate term decedent is generally used. In criminal law, “the deceased” refers to the victim of a homicide.

Deceased as a noun:

A dead person.

Examples:

"The deceased was interred in his local churchyard."

"a memorial to the deceased of two World Wars"
Deceased as a noun (legal):

One who has died. In property law, the alternate term decedent is generally used in US English. In criminal law, “the deceased” refers to the victim of a homicide.

Gone as an adjective:

Away, having left.

Examples:

"Are they gone already?"
Gone as an adjective (figuratively):

No longer part of the present situation.

Examples:

"Don't both trying to understand what Grandma says, she's gone."

"He won't be going out with us tonight. Now that he's engaged, he's gone."

"Have you seen their revenue numbers? They're gone."
Gone as an adjective:

No longer existing, having passed.

Examples:

"The days of my youth are gone."
Gone as an adjective:

Used up.

Examples:

"I'm afraid all the coffee's gone at the moment."
Gone as an adjective:

Dead.
Gone as an adjective (colloquial):

Intoxicated to the point of being unaware of one's surroundings

Examples:

"Dude, look at Jack. He's completely gone."
Gone as an adjective (slang):

Entirely given up to; infatuated with; used with on.

Examples:

"He's totally gone on her."
Gone as an adjective (colloquial):

Excellent; wonderful.
Gone as an adjective (archaic):

Ago (used post-positionally).
Gone as an adjective (US):

Weak; faint; feeling a sense of goneness.
Gone as an adjective:

Of an arrow: wide of the mark.

Gone as a preposition (British, informal):

Past, after, later than (a time).

Examples:

"You'd better hurry up, it's gone four o'clock."