What does kiddy mean?
Kiddy is an informal noun meaning a child, especially a young one. It is often affectionate when used within families, with children, or in contexts that treat children warmly, such as “the kiddies” for a group of young children. However, the word can also be teasing or patronizing when directed at an older child or used to describe an adult as immature. Its diminutive ending, -y, makes the term sound familiar and child-oriented rather than formal or neutral. Compared with the broader and more neutral word “child,” “kiddy” places greater emphasis on youth and may imply affection, playfulness, or condescension. The expression “kiddy school” refers to a kindergarten or equivalent early educational setting. In formal writing, “child” or “young child” is usually the more appropriate choice.
nounAn informal word for a child, especially a young child. It is often used affectionately but can sound patronizing when addressed to an older child or used dismissively.
- A child, especially a young child.
- A person regarded as immature or childlike, especially in an dismissive or teasing sense.
"The kiddy was delighted by the puppy."
"How is the kiddy getting on at school?"
"Don’t be a kiddy; deal with the problem yourself."
The usual plural, especially in the informal expression “the kiddies” for a group of children.
"The kiddies were playing in the garden."
Once an affectionate diminutive for a young child, “kiddy” can now carry a teasing or patronizing edge when used about anyone beyond early childhood.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does kiddy come from?
Kiddy was formed in English as a diminutive of “kid,” adding the familiar suffix -y to a word that had long been used for a young child. The older animal sense of “kid,” meaning a young goat, belongs to an English word with roots in older Germanic forms, although the precise development of the word’s child sense is historically difficult to trace with certainty. “Kiddy” and its older variant “kiddie” reflect the tendency to form affectionate or familiar names for children by adding a diminutive ending.
How kiddy is actually used
Informal; it is common in British and American English. It can be affectionate when referring to a very young child, but may sound patronizing or dismissive when used about an older child or an adult behaving childishly.
Easily confused with kiddy
Kid is the more neutral and widely used term for a child, whereas kiddy is more informal and may sound affectionate or slightly patronizing.
Kiddie is an alternative spelling of kiddy, while kiddy is the more common modern form.