The phrase "rat out" means to inform on or betray someone. The spelling of this phrase, according to the International Phonetic Alphabet (IPA), is /ræt aʊt/. The first sound /r/ is a voiceless alveolar approximant, followed by the short vowel sound /æ/ and the voiceless alveolar stop /t/. The second syllable is pronounced with the diphthong /aʊ/ (similar to "ow"), followed by the voiceless alveolar stop /t/. This spelling accurately represents the sounds of the English language in this particular phrase.
The phrasal verb "rat out" refers to the act of betraying or reporting someone's wrongdoing, usually to an authority figure, with the intention of causing negative consequences for the person involved. It involves revealing confidential or incriminating information about someone else, typically to escape punishment or gain personal benefit.
The term "rat" in this context is derived from the negative connotation associated with rats, which are often seen as sneaky and untrustworthy animals. When someone "rats out" another person, they are essentially acting as an informant against them, divulging information or evidence that could lead to their punishment or downfall.
The act of "ratting out" can occur in various scenarios, such as within criminal organizations, schools, workplaces, or even personal relationships. It implies a breach of trust, as the person providing the information is typically someone who had insider knowledge or shared a close bond with the individual being reported.
To "rat out" someone often implies a sense of betrayal, and it is generally perceived negatively, as it involves disclosing private or sensitive information for personal gain or to avoid repercussions. It is important to note that the term is colloquial and quite informal, typically used in casual conversation rather than in formal or academic contexts.
The word "rat out" is believed to have originated in the mid-20th century in American English. It combines the noun "rat", referring to a rodent known for its association with betrayal, with the verb "out", which means to expose or reveal. When used together, "rat out" means to betray or give away someone's secrets or betray their trust by revealing confidential information. The expression likely draws upon the reputation rats have for being cunning and sneaky creatures.