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Definitions

alibi

[al-uh-bahy] / ˈæl əˌbaɪ /
NOUN
defense against charges of wrongdoing; evidence of absence
Synonyms
STRONGEST
excuse justification pretext
STRONG
account affirmation allegation answer assertion assurance avowal case cover declaration explanation plea profession proof reason reply retort stall statement vindication
WEAK
airtight case cop-out fish story song and dance
Antonyms
STRONG
denial question request

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.

Most surprising was the dialogue between Lee and the advanced OpenAI chatbot ChatGPT about how to create an alibi for Perpétuo’s injuries.

From Los Angeles Times • Mar. 10, 2026

The first was that he had a rock-solid alibi for the morning Arlene went missing.

From BBC • Feb. 23, 2026

"Ingenuity can never become an alibi for incivility," the municipality of Catania said in a post on its official Facebook page.

From BBC • Feb. 20, 2026

The programme has also discovered that the police were aware of this potential alibi at the time.

From BBC • Feb. 16, 2026

In the nature of things she could not have an alibi to fall back upon.

From "Murder on the Orient Express" by Agatha Christie

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.