rat
noun
any of several long-tailed rodents of the family Muridae, of the genus Rattus and related genera, distinguished from the mouse by being larger.
ratted
-
past participleof rat.past participle
A verb form used in perfect and passive verb constructions and that can also function as a modifier.
-
past tense formof rat.past tense
Used to describe completed actions or previous habitual actions.
ratnounany of several long-tailed rodents of the family Muridae, of the genus Rattus and related genera, distinguished from the mouse by being larger.
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.
No one would get ratted out on social media as “problematic.”
From The Wall Street Journal ● Feb. 21, 2026
The heavy black eyeliner and white-face makeup, the holey fishnets and ratted hair — these also serve as a beacon to fellow misfits, a way of finding your tribe while scaring off the normals.
From Los Angeles Times ● May 22, 2023
Bulger, who ran the largely Irish mob in Boston in the 1970s and ’80s, served as an FBI informant who ratted on his gang’s main rival, according to the bureau.
From Seattle Times ● Aug. 23, 2022
“Tell me how I ratted, came home to a big bag,” he shrieks.
From New York Times ● May 20, 2020
Okay, apparently that girl had ratted him out.
From "The Darkest Minds" by Alexandra Bracken
