Complex, difficult, perplexing, complicated; Compound, multifaceted
Yes, the word 'simpler' is the comparative form of the adjective 'simple'.simple (positive)simpler (comparative)simplest (superlative)
From latin: Simplus
Simple
there is none.
Weak, simple, unimposing are some antonyms for formidable.
Fake, UN-real, fictitious, falsified.
exit
Provoke.
sooth
very surprised
Participant and Player.
Antonym means the opposite.
roared, premature, early
the antoynm of forage is "distribute"
An antonym for investigate is ignore.
An antoynm is someting that is the opposite of another thing, for example wet is an antoynm for dry. so no you can't use it with that phrase.
It should be spelled as "essence". The antonym for that is "unessential".