Tough underneath Synonyms

Tough replaced

stiff underneath

solid underneath

Definitions for Tough

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

TU abbreviation

TU is an abbreviation for Tough Underneath

What does TU stand for?

TU stands for "Tough Underneath"

Underneath replaced

tough subject

Definitions for Underneath

(adverb) in or to a lower place
(adverb) on the lower or downward side; on the underside of
(adverb) under or below an object or a surface; at a lower place or level; directly beneath