Rolling obstacle Synonyms

Rolling replaced

movable obstacle

stray obstacle

moving obstacle

Definitions for Rolling

(noun) propelling something on wheels
(adjective) uttered with a trill
(noun) a deep prolonged sound (as of thunder or large bells)

Synonyms for phrase

sweeping barrier

extensive difficulty

extensive check

RO abbreviation

RO is an abbreviation for Rolling Obstacle

What does RO stand for?

RO stands for "Rolling Obstacle"

Obstacle replaced

rolling block

Definitions for Obstacle

(noun) something that makes movement or progress difficult
(noun) something immaterial that stands in the way and must be circumvented or surmounted
(noun) an obstruction that stands in the way (and must be removed or surmounted or circumvented)