inform on

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betray v.
stab in the back v.

VERB

betray

Synonyms

STRONGEST

abandon deceive forsake mislead seduce

STRONG

bluff cross delude desert finger jilt knife trick

WEAK

be unfaithful bite the hand that feeds you blow the whistle break faith break promise break trust break with commit treason deliver up double-cross go back on inform against let down play Judas play false sell down the river sell out stab in the back take in turn in turn informer turn state's evidence walk out on

Antonyms

STRONG

aid assist help stay

WEAK

be faithful be loyal be quiet defend hide keep secret protect support

VERB

stab in the back

Synonyms

WEAK

abandon backstab be disloyal be unfaithful betray break promise commit treason cross deceive double-cross finger go back on play Judas sell down the river sell out trick turn in turn informer turn traitor

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.

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inform on

In that case, three Muslims alleged that FBI agents retaliated against them for refusing to inform on their religious communities.

From The Wall Street Journal ● Nov. 9, 2025

"We are really excited to be able to provide these free informative sessions for members of the public to help inform on conditions that affect the lives of many of us every day," she said.

From BBC ● Jun. 24, 2025

"Overall, neuron counts do inform on intelligence, but are very limited in telling us what exactly animals are capable of," said George.

From Salon ● May 4, 2024

It was claimed that these high neuron counts could directly inform on intelligence, metabolism and life history, and that T. rex was rather monkey-like in some of its habits.

From Science Daily ● Apr. 29, 2024

And yet, is it my place to inform on him?

From "Flowers for Algernon" by Daniel Keyes

inform on

Example Sentences

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