Oh

Definition

Oh is an interjection commonly used to express surprise, excitement, disappointment, or realization. It is also employed as a discourse marker in informal speech.

Parts of Speech

• Interjection

Pronunciation

American English

• IPA Pronunciation: /oʊ/
• Respelling: OH

British English

• IPA Pronunciation: /əʊ/
• Respelling: OH

Etymology

The word "oh" originates from Middle English, where it was used as an exclamation of surprise or pain. Its roots can be traced to Old English "ā," an exclamation of awe or shock, influenced by Latin and Romance languages over time.

Derivatives

• Oh-so (adverb)
• Ooh (variant interjection)
• Oh my (phrase)
• Oh dear (phrase)
• Oh no (phrase)

Synonyms

• Ooh
• Ah
• Aha

Antonyms

• None

Usage

The term "oh" is versatile and appears in various contexts, including exclamations and conversational speech. For example, "Oh, I didn’t see you there" (realization), or "Oh! What a beautiful surprise!" (excitement).

Related Terms

• Wow: An exclamation of amazement or admiration.
• Aha: Used to express a sudden realization.
• Oops: An exclamation indicating a minor mistake.

Detailed Definitions

Interjection

• To express surprise or realization: Used when encountering something unexpected.
  • Example: "Oh, I didn’t know you were coming."
• To convey disappointment or sympathy: Often used in empathetic or consoling contexts.
  • Example: "Oh, I’m so sorry to hear that."
• As a discourse marker: Functions to transition or clarify in conversation.
  • Example: "Oh, so that’s what you meant."