RichThesaurus
must-have
must-have
synonyms
requisite
fixed
prerequisite
substantial
sine qua non
of the essence
built-in
fundamental
basic
constitutive
essential
desideratum
consequential
imperative
needed
convenience
all-important
core
necessity
capital
imprescindible
important
indispensable
apposite
universal
staple
pivotal
cardinal
utility
meat and potatoes
primal
developed
instrumental
specification
indispensability
central
importance
must
due
obligatory
key
vital
compulsory
intent
need
elementary
requisition
must-have
antonyms