Definitions

ensure

[en-shoor, -shur] / ɛnˈʃʊər, -ˈʃɜr /

VERB

guarantee; make secure

Synonyms

STRONGEST

assure establish insure protect provide safeguard secure

STRONG

arrange certify cinch clinch confirm effect guard okay warrant

WEAK

lock on lock up make certain make safe make sure nail down put on ice set out

Antonyms

STRONGEST

endanger harm hurt injure

STRONG

contradict deny forget ignore invalidate neglect reject repudiate veto

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The priest told Ittai that the church was fairly booked up so it needed some planning to ensure there was a space.

From BBC • Apr. 28, 2026

“We regularly evaluate our current business demand to ensure we are positioned to deliver exceptional service to our clients while maintaining a strong talent pipeline,” Forvis Mazars said in a statement.

From The Wall Street Journal • Apr. 27, 2026

“Always obey posted signals, stop when required, and ensure it is safe to proceed before crossing tracks,” the Police Department said in a statement.

From Los Angeles Times • Apr. 27, 2026

The Federal Deposit Insurance Corporation says there are several ways to help ensure that a check received in the mail is real.

From MarketWatch • Apr. 27, 2026

Frigga told him of her journey to ensure Balder’s safety and how everything had sworn to do him no harm.

From "Mythology: Timeless Tales of Gods and Heroes" by Edith Hamilton

Vocabulary lists containing ensure

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"The Hunger Games" Vocabulary from Chapter 1

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Chains

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