Definition of grievous
- a grievous wound
- a grievous loss
the grievous cost of war
He took a foolish financial risk and suffered a grievous loss.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'grievous.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
: causing great sadness, suffering, or pain : very serious or severe
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