What does nod mean?
A nod is a quick movement of the head downward and upward, commonly used to show that someone understands, agrees, acknowledges a greeting, or grants permission. It can also refer more broadly to a brief, often silent, gesture of agreement: a person may give a nod of approval, a nod of recognition, or simply nod in response to a question. The expression is useful because it describes both the physical movement and the meaning communicated by it. Although nodding is found across many cultures, the English word is especially associated with conversational acknowledgment and informal agreement. In formal settings, it may accompany a spoken reply rather than replace one. The related verb has the same meaning as the noun and is also used in phrases such as “nod in agreement.”
To move one’s head up and down, especially to indicate agreement, acknowledgement, or greeting.
"The teacher nodded when the student gave the correct answer."
A quick movement of the head up and down, or a gesture that conveys agreement, acknowledgement, or understanding.
"He answered the question with a nod."
Used for multiple gestures of agreement, acknowledgement, or greeting.
"The audience responded with nods of appreciation."
A single nod can communicate agreement without a word, making this small head movement a powerful form of everyday communication.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Words that share this root
Related word forms
How nod is actually used
The word is neutral in register and common in both formal and informal contexts. “Nod” can refer to the physical movement, to agreement, or to a brief acknowledgment, while “nod someone off” is an informal expression for silently falling asleep.
Easily confused with nod
A nodule is a small lump or mass, especially one in the body or on a plant, whereas a nod is a head movement or a gesture of agreement.