pony expresses (noun) pony express: former mail delivery system
Sinonime: advance, approach, be dangerous, be gathering, be imminent, be in the air, be in the offing, be on the horizon,
brew, brewing, come on, forebode, foreshadow, frighten, hang over, imperil, jeopardize, loom,
lower,
menace, overhang, portend, presage, put at risk, put in jeopardy, warn