crux Synonyms - page 2

key point abstrusity crunch enigma essence essential essentiality focus gammadion gist grabber gravamen cruciform crucifix crosslet apex asymptote basis center centre climacteric conjuncture conundrum core crisis haecceity heart heartwood meat nature nub nubbin nucleus paradox pith pivot point problem matter marrowbone marrow hub hyphen inscrutableness inwardness kernel keynote keystone lifeblood linchpin