Obviate

hard

OB-vee-ayt

verb

Definition

to prevent or make unnecessary

Examples

A clear contract at the outset would obviate most later disputes.
The new vaccine could obviate the need for annual booster shots entirely.

Synonyms

precludeforestallavertcircumvent

Antonyms

necessitaterequireinducecause

Categories

GRE Tip

Obviate is a hard-difficulty GRE word. On the GRE, you might see it paired with synonyms like "preclude" or "forestall" in Sentence Equivalence questions. Look for contrast clues (however, despite, although) that signal the opposite meaning. Words like "necessitate".

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