Offhand

Adjective

Definition: Without preparation or forethought.

Synonyms: Spontaneous, Impromptu, Casual

Antonyms: Deliberate, Planned, Calculated

Examples:

She gave a quick and offhand answer to his question.
I made an offhand remark about his outfit and he got offended.

Mnemonics:

"Off the top of my head" - referring to information that is given without much thought or preparation.
Imagine someone speaking with their hands loosely hanging at their sides, indicating a lack of preparation or formality.

Etymology:

Origin:

The term "offhand" originated in the early 18th century and was formed by combining "off" and "hand." It was used to describe actions not done with one's hand, but rather without preparation or thought.

Historical Usage:

The term has been used consistently throughout history to describe actions or remarks that are spontaneous and unplanned.

Related Idioms:

Idiom:

"Off the top of your head"

Explanation:

Referring to information or ideas provided without much thought or preparation.

Misconceptions:

Misconception:

Confusing "offhand" with "hands-off."

Explanation:

"Offhand" refers to actions or remarks made without preparation or forethought, while "hands-off" means to keep away from something, not interfere, or not get involved.