Tough obstacle Synonyms

Tough replaced

hard obstacle

difficult obstacle

solid obstacle

tenacious obstacle

Definitions for Tough

(adjective) not easily chewed
(adjective) able to withstand hardship, strain, or exposure
(adjective) difficult to endure

TO abbreviation

TO is an abbreviation for Tough Obstacle

What does TO stand for?

TO stands for "Tough Obstacle"

Obstacle replaced

tough difficulty

tough barrier

tough impediment

tough problem

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)