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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.

The former partner McCullagh had accused is also arrested and interviewed – he too has an alibi and is released.

From BBC • Mar. 23, 2026

Police had accepted his alibi and, on Christmas Eve, told McCullagh he was no longer viewed as a suspect.

From BBC • Mar. 23, 2026

Forensic analysis would show that the content creator's supposed alibi – a six-hour video game live stream broadcast the night Natalie died – was not live at all but pre-recorded days before.

From BBC • Mar. 23, 2026

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

“He proved an alibi and he’s free. Tell me, did he leave you holding the bag?”

From "Native Son" by Richard Wright

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