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Onerous

hardNegative tone

AHN-er-us

adjective

Definition

burdensome; involving a great deal of effort or difficulty

Memory hook

ONEROUS sounds like 'on-us', as in the burden is ON US. Picture an ox staggering under an enormous load labeled ONUS.

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Word roots

onusburden, load(Latin)

Learning roots unlocks whole word families. Study common GRE root words.

Examples

The contract imposed onerous obligations that the small firm could not realistically meet.
Caring for three sick relatives at once proved an onerous responsibility.

Test yourself

Fill in the blank with the right word:

The contract imposed ______ obligations that the small firm could not realistically meet.
Show answer

onerous

Synonyms

burdensomeoppressivetaxingarduous

Antonyms

easyeffortlesslightundemanding

Categories

View all Difficulty words

GRE Tip

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

Read: How to Memorize GRE Words That Actually Stick

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