RichThesaurus
crux
crux
synonyms
core
heart
nub
kernel
pith
gist
essence
marrow
substance
nucleus
meat
nitty-gritty
center
quintessence
basis
root
point
burden
brass tacks
nuts and bolts
soul
essential part
heart of the matter
focus
base
bottom line
bedrock
principle
fundamentals
crisis
foundation
mainspring
essentials
pivot
cornerstone
basics
moment of truth
linchpin
focal point
thrust
hub
matter
import
difficulty
main point
keystone
zero hour
stuff
groundwork
emergency
more synonyms
crux
antonyms
exterior
outside
exteriority
peace
trivia
surface
calm
known
nothing
minutiae
nothingness
peripherals
periphery
derivation
felicity
ease
help
perimeter
derivative
sprout
relief
understanding
health
tranquility
comfort
consolation
covering
aid
advanced principles