SynonymDefinitionAntonym.com - English Synonym Dictionary

An inclined surface connecting two levels

A movable staircase that passengers use to board or leave an aircraft

North American perennial having a slender bulb and whitish flowers

Stand with arms or forelegs raised, as if menacing

Creep up -- used especially of plants

Be rampant

Furnish with a ramp

Behave violently, as if in state of a great anger