imprescindible
indispensable
So essential that things simply wouldn't work without it — used for people, things, or experiences you absolutely cannot do without.
Encoding Strategies:
linguistic
im-
not
+
prescindible
dispensable
Imprescindible means indispensable and is formed from im-0 (not0) + prescindible1 (dispensable1) — literally "not dispensable."
imprescindible
indispensable, essential,
a must, a must-see, a must-have (as a noun)
Something or someone so necessary that you cannot do without it — stronger than just 'necessary,' implying things wouldn't work without it. Also used as a noun (e.g., 'un imprescindible' = a must-see/must-have).