Here's a breakdown of the word's meaning:
* Flibbertigibbet: This word has its origins in Shakespeare's play "The Merry Wives of Windsor," where it's used to describe a mischievous, lighthearted character.
* Frivolous: This means lacking seriousness or importance.
* Erratic: This means unpredictable or inconsistent.
* Irresponsible: This means lacking a sense of duty or obligation.
Example: "He was a complete flibbertigibbet, always forgetting his appointments and making promises he couldn't keep."
In essence, "flibbertigibbet" paints a picture of someone who is lightheaded, whimsical, and often untrustworthy due to their inconsistent behavior.