What does telltale mean?
Telltale is a word for something that quietly gives away the truth. As an adjective, it describes a sign, detail, or behavior that reveals a concealed fact, such as a problem, emotion, or intention: 'The telltale tremor in his voice suggested that he was nervous.' As a noun, a telltale is the sign itself, especially one that makes it difficult for someone to hide what is happening. The word often suggests disclosure that was unintended, so it can carry a mildly suspicious or critical tone. Telltales appear in ordinary conversation, journalism, literary analysis, and technical writing, including descriptions of ships and machinery. The expression is especially associated with the phrase 'telltale signs,' which emphasizes small clues that point clearly to a larger truth. Its usefulness lies in its ability to name the subtle evidence by which concealed conditions become visible.
Indicating or revealing something, especially something concealed, unwelcome, or previously uncertain.
"The scattered papers were a telltale sign that the office had been searched."
Commonly used before a noun such as 'sign,' 'indication,' or 'clue.' It often implies that the revelation may not have been intended.
A sign, detail, or indication that gives away a hidden fact, circumstance, or feeling; in technical contexts, an indicator of position or movement.
"The slight hesitation was a telltale that he had recognized the name."
The ordinary count noun use is common in both British and American English. The technical nautical sense is narrower and should be used when discussing ships, rudders, or related equipment.
The plural is used for multiple signs or indications that reveal something hidden. In the technical nautical sense, 'telltales' can also refer to instruments indicating a ship's position or movement.
"Several telltales in the data suggested that the system was under strain."
A telltale is a small clue with a big story to tell: it quietly reveals what someone may be trying to hide.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does telltale come from?
Telltale is an English compound formed from tell and tale. Both elements have Germanic origins and are historically associated with recounting, relating, or communicating a story, with related forms such as talebearer and tale-telling. The compound appears in English during the 19th century and developed an idiomatic use for a person who tells tales before becoming established for something that reveals or gives away a hidden fact.
How telltale is actually used
Telltale is common in standard English and often has a slightly negative or cautionary connotation because it suggests that something is being revealed unintentionally. As an adjective, it is usually placed before a noun, as in 'a telltale sign'; as a noun, it commonly occurs in the plural 'telltales.' The technical nautical sense is more specialized.