Thesaurus.com Dictionary.com

Definitions

backbone

[bak-bohn] / ˈbækˌboʊn /

NOUN

strength of character

Synonyms

STRONGEST

determination

STRONG

courage firmness fortitude grit guts hardihood heart mettle nerve pluck resolution resolve spunk stamina steadfastness tenacity toughness will willpower

WEAK

intestinal fortitude moral fiber

Antonyms

STRONG

indecision irresolution timidity weakness

WEAK

powerlessness spinelessness

NOUN

spinal column of vertebrate

Synonyms

STRONGEST

foundation spine

STRONG

base basis support vertebrae

WEAK

vertebral column