Interesting obstacle Synonyms

Definitions for Interesting

(adjective) holding the attention or provoking interest
(adjective) arousing or holding the attention

Synonyms for phrase

IO abbreviation

IO is an abbreviation for Interesting Obstacle

What does IO stand for?

IO stands for "Interesting Obstacle"

Obstacle replaced

interesting problem

interesting complication

interesting wall

interesting catch

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)