RichThesaurus
nucleus
nucleus
synonyms
heart
core
kernel
center
nub
essence
crux
pith
hub
marrow
substance
root
nitty-gritty
germ
focal point
meat
middle
gist
quintessence
focus
basis
pivot
seed
base
source
embryo
interior
bosom
bud
point
origin
burden
heart of the matter
midpoint
soul
sum and substance
depths
eye
essential part
seat
foundation
spark
midst
basics
fundamentals
rudiment
principle
bedrock
nuts and bolts
central point
more synonyms
nucleus
antonyms
outside
exterior
exteriority
edge
periphery
result
surface
effect
surroundings
rim
perimeter
question
outgrowth
outcome
peripherals
outskirts
consequence
border
end
lot
derivative
goal
advanced principles
margin
destiny
covering
boundary
circumference
ending