on the sly: Idiom Meaning and Origin

What does ‘on the sly’ mean?

The idiom on the sly means to do something secretly or without others knowing.

Idiom Explorer

Sly Secrets Revealed

The idiom "on the sly" is a commonly used expression in the English language. Derived from Old Norse, the word "sly" originally meant "cunning" or "crafty." Its usage as an adverb has evolved over time, taking on the meaning of doing something secretly or discreetly. The idiom is often used to describe actions performed covertly or in a clandestine manner, without attracting attention or suspicion.

When someone does something "on the sly," it typically implies a sense of deception or sneakiness. It suggests that the action being performed is not intended to be discovered by others or is done without their knowledge or consent. The idiom conveys a sense of secrecy, as if the person engaging in the action is operating outside the bounds of expected behavior.

The origin of the phrase "on the sly" can be traced back to the 17th century. It first appeared in a literary sense in Samuel Butler's satirical poem "Hudibras" published in 1664. The line "Some did the deed with vast direction | And Slily stole their Recreation" showcases an early use of the idiom.

Over time, "on the sly" has become a commonplace phrase in English vernacular, finding its way into everyday conversations and literature. Its continued usage can be attributed to its succinctness and effectiveness in conveying the concept of engaging in discreet or covert behavior.

The idiom often implies a sense of thrill or mischievousness associated with keeping something hidden or operating secretly. It can be used to describe a variety of actions, ranging from innocent and playful to more nefarious activities. The context in which it is used will determine the specific connotations associated with the phrase.

The thief made a surreptitious escape without getting caught.

Although the idiom "on the sly" is widely recognized and accepted, its usage may vary slightly depending on the region or cultural context. Different cultures may have their own equivalent idioms that convey a similar meaning. However, the core concept of performing an action secretly or discreetly remains consistent.

One related idiom is "on the down-low." This phrase is often used to describe actions that are kept hidden or secret, particularly in the context of personal relationships. It can refer to someone engaging in activities or relationships that they wish to keep hidden from others, usually due to societal or personal reasons. The phrase "on the down-low" conveys a similar sense of secrecy and the need to operate discreetly, much like "on the sly."

Another related idiom is "on the hush." This phrase is used to describe actions or information that is kept confidential or not publicly disclosed. It suggests that the person involved does not want others to know about it, either due to the sensitive nature of the information or personal reasons. "On the hush" shares the same underlying theme of secrecy and discretion as "on the sly."

A third related idiom is "hide in plain sight." This phrase implies that something or someone is camouflaged or concealed in a way that makes them difficult to notice, despite being in plain view. It is often used to describe situations where one can observe something without attracting attention or suspicion. "Hide in plain sight" aligns with the idea of conducting activities discreetly, similar to the motif of "on the sly."

A fourth related idiom is "on the Q.T." This phrase is an abbreviation for "quietly." It is used to describe actions that are done secretively or without drawing attention. "On the Q.T." is a colloquial expression that conveys the same sense of covert behavior as "on the sly."

Overall, the idiom "on the sly" captures the essence of engaging in covert or clandestine behavior. Its historical origins and continued usage in contemporary English make it a familiar and evocative expression. Whether used in literature, everyday conversation, or popular culture, the idiom conveys a sense of hidden actions, secrecy, and the thrill of operating outside the purview of others.

As with any idiom, its interpretation can extend beyond its literal meaning. The idiom "on the sly" invites further exploration into human nature, motivations, and the complexities of our social interactions. It provokes questions about the reasons individuals engage in secretive behavior and the implications it may have on trust, relationships, and society as a whole.

Example usage

Examples of how the idiom "on the sly" can be used in a sentence:

  1. She started dating her coworker on the sly, as she didn't want anyone in the office to find out about their relationship.
  2. He managed to sneak out of the house on the sly, so his parents wouldn't know he was going to the party.
  3. The politician accepted the bribe on the sly, thinking nobody would find out about it.

The phrase "on the sly" is used to describe doing something secretly or discreetly, often without others knowing or observing the action. It implies an element of sneaking or avoiding detection. It can be applied to various contexts, such as personal relationships, clandestine activities, or behaving in a covert manner.

More "Deception" idioms