It should be spelled as "essence". The antonym for that is "unessential".
Provoke.
exit
sooth
very surprised
Participant and Player.
Antonym means the opposite.
the antoynm of forage is "distribute"
roared, premature, early
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.
bulging, cambered, convex, protruding, protrusive, protuberant
Unfortunate means experiencing bad luck or misfortune.