mainspring
[meyn-spring]
/ ˈmeɪnˌsprɪŋ /
NOUN
bottom
Synonyms
Antonyms
NOUN
cause
Synonyms
Antonyms
STRONGEST
STRONG
WEAK
NOUN
cornerstone
Synonyms
STRONGEST
STRONG
WEAK
NOUN
fountain
Synonyms
Antonyms
STRONG
NOUN
keynote
Synonyms
Antonyms
NOUN
keynote/keystone
Synonyms
NOUN
motive
Synonyms
Antonyms
NOUN
origin
Synonyms
Antonyms
NOUN
provenience
Synonyms
STRONG
agent
ancestor
ancestry
antecedent
author
base
beginning
causality
causation
connection
creator
derivation
determinant
egg
element
embryo
fount
fountain
fountainhead
generator
germ
impulse
inception
inducement
influence
inspiration
mother
motive
nucleus
occasion
parent
parentage
principle
producer
progenitor
provenance
root
roots
rootstock
seed
source
spring
stock
well
wellspring
WEAK
Antonyms
NOUN
root
Synonyms
STRONGEST
STRONG
basis
bedrock
beginnings
bottom
cause
center
crux
derivation
essentiality
footing
fountain
fountainhead
fundamental
germ
ground
groundwork
inception
infrastructure
marrow
motive
nub
nucleus
occasion
pith
provenance
provenience
quick
quintessence
radicle
radix
reason
rhizome
seat
substance
substratum
tuber
underpinning
well
WEAK
Antonyms
STRONGEST
STRONG
WEAK
NOUN
rootstock
Synonyms
STRONG
agent
ancestor
ancestry
antecedent
author
base
beginning
causality
causation
connection
creator
derivation
determinant
egg
element
embryo
fount
fountain
fountainhead
generator
germ
impulse
inception
inducement
influence
inspiration
mother
motive
nucleus
occasion
parent
parentage
principle
producer
progenitor
provenance
provenience
root
roots
seed
source
spring
stock
well
wellspring
WEAK
Antonyms
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.