Synonyms of indispensable

indispensable

adjective

ˌin-di-ˈspen(t)-sə-bəl 

as in essential

impossible to do without

fully aware that he was an indispensable assistant, he decided that it was high time that he be paid what he was worth

Synonyms & Similar Words

• essential
• necessary
• integral
• required
• needed
• needful
• vital
• must-have
• critical
• imperative
• crucial
• important
• requisite
• all-important
• of the essence
• mandatory
• compulsory
• prerequisite
• necessitous
• basic
• key
• fundamental
• major
• obligatory
• meaningful
• momentous
• urgent
• organic
• central
• substantial
• significant
• persistent
• consequential
• insistent
• pressing
• nonelective
• material
• weighty

Antonyms & Near Antonyms

• unnecessary
• needless
• nonessential
• dispensable
• unwanted
• unimportant
• insignificant
• unessential
• undesired
• inessential
• unneeded
• extra
• external
• superfluous
• excess
• inconsequential
• extraneous
• surplus

Example Sentences

Recent Examples of indispensable

But Doha had succeeded in establishing itself as an indispensable player in the region’s politics. — Ruth Margalit, New Yorker, 19 Sep. 2026

That makes digital forensics indispensable and demands careful guardrails. — Jihun Joun, The Conversation, 17 Sep. 2026

The Zantrola Outdoor Santoku Knife Set is an all-in-one mobile kitchen kit that Croes finds indispensable. — Mariette Williams, Travel + Leisure, 16 Sep. 2026

Whether Michkov is still an indispensable part of the Flyers’ future will be answered this season, the third and final year of his entry-level deal. — Kevin Kurz, New York Times, 15 Sep. 2026