Shouldn't

/[ˈʃʊnʔ]/

Word Type

Verb

Noun

The word "shouldn't" can be used as verb and noun.

Word Relationships

Coordinate Terms

can't couldn't mayn't mightn't oughtn't shan't won't wouldn't

Defined As

contraction of should not

Derived Terms

Derived From

Distinct From

Related Terms

couldn't oughtn't wouldn't

Related Terms

couldn't not oughtn't should wouldn't

Synonym Network

oughtn't should

More for "shouldn't"

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.