All sentinel synonyms
sen·ti·nel
S s noun sentinel
- flagger — flagstone (def 1).
- belvedere — a building, such as a summerhouse or roofed gallery, sited to command a fine view
- flagman — a person who signals with a flag or lantern, as at a railroad crossing.
- gatekeeper — a person in charge of a gate, usually to identify, count, supervise, etc., the traffic or flow through it.
- chaser — A chaser is an alcoholic drink that you have after you have drunk a stronger or weaker alcoholic drink.
- keeper — a person who guards or watches, as at a prison or gate.
- doorkeeper — a person who guards the entrance of a building.
- bouncer — A bouncer is a man who stands at the door of a club, prevents unwanted people from coming in, and makes people leave if they cause trouble.
- guardian — a person who guards, protects, or preserves.
- warder — a truncheon or staff of office or authority, used in giving signals.
- guard — to keep safe from harm or danger; protect; watch over: to guard the ruler.
- babysitter — to take charge of a child while the parents are temporarily away.
- lookout — Cape, a sandy reef in the Outer Banks, off E North Carolina, SW of Cape Hatteras: lighthouse.
- cerberus — a dog, usually represented as having three heads, that guarded the entrance to Hades
- watchman — a person who keeps guard over a building at night, to protect it from fire, vandals, or thieves.
- watchwoman — A female watchman.
verb sentinel
- cover all bases — take full precautions
- look after — to turn one's eyes toward something or in some direction in order to see: He looked toward the western horizon and saw the returning planes.
- cover up — If you cover something or someone up, you put something over them in order to protect or hide them.