Grey Hyena in dreams
A social scavenger and hunter — the laughter of a group that feeds on what is already weakened.
How grey changes the reading
Grey colour layers ambiguity onto the symbol. The base meaning is still there, but the dream is saying you do not yet have the colour information — the situation has not declared itself.
The base reading of Hyena
A hyena in a dream is the dream's image of the pack that moves on a wound. Hyenas are competent hunters, but the dream tends to use them in their other role — the chorus that arrives once something is failing and tears the remainder apart. The dream brings the hyena when there is gossip, mockery, or collective opportunism around a person or a project that is already down. A single hyena watching is the dream warning of the first scout. A pack of hyenas laughing is the dream telling you the social verdict is already in motion and the carcass is being prepared.