blundered

Definitions

Made a stupid or careless mistake.

Moved clumsily or unsteadily.

Examples

The young chess player blundered his queen in the middle of the match.

The government blundered by failing to anticipate the economic impact of the new policy.

Synonyms

erred muddled bungled fumbled miscalculated stumbled mismanaged

Antonyms

succeeded triumphed perfected accomplished managed navigated achieved