An interjection is a word like "Hey!" or "Mmm!" or "Ugh!" Interjections can also be longer interruptions of a conversation or something happening.

The inter part of interjection, which means "between," is a good clue that this is a term for words that bust in on other strings of words. If you've ever said "Whoa!", you've used an interjection. Interjections interject or interrupt — they break into the conversation. People often use interjections when excited, such as "Yes!" or "Wow!" You could also say, "May I make an interjection?" That would be a polite way of saying you'd like to add something.

Definitions of interjection

n an abrupt emphatic exclamation expressing emotion

Type of:
exclaiming, exclamation
an abrupt excited utterance

n the action of interjecting or interposing an action or remark that interrupts

interpellation, interpolation, interposition
Type of:
break, disruption, gap, interruption
an act of delaying or interrupting the continuity

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