unlikeliest

ADJECTIVE

not probable

Synonyms

STRONGEST

absurd implausible improbable inconceivable incredible rare remote strange unbelievable

WEAK

contrary doubtful dubious faint not likely out of the ordinary outside chance questionable slight unconvincing unheard-of unimaginable untoward

Antonyms

STRONGEST

believable common credible likely plausible possible probable reasonable regular tenable usual

WEAK

imaginable probably

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 most backhanded of backhanded compliments is paid to reporter Seymour Hersh during the documentary “Cover-Up,” and by the unlikeliest of sources.

From The Wall Street Journal • Dec. 24, 2025

Now he’s the unlikeliest employee of a startup that hopes to revolutionize math with AI.

From The Wall Street Journal • Dec. 4, 2025

An opportunity that looked like it had been trampled underfoot when the dismal visitors in Piraeus fell three goals down, was reborn thanks to Belarus, the unlikeliest of unlikely heroes of the night.

From BBC • Nov. 15, 2025

The all-family final between the 54th-ranked Frenchman Rinderknech and 204th-ranked Vacherot, from Monaco, is one of the tournament's unlikeliest endings to date –- the latter's coach and half-brother, Benjamin Balleret, described it as a "fairytale".

From Barron's • Oct. 12, 2025

And, indeed, why should it be harder for God to enter into the soul of an infant than into our "unlikeliest" ones?

From The Life and Letters of Elizabeth Prentiss by Prentiss, George L.