From Longman Dictionary of Contemporary Englishinterjectin‧ter‧ject /ˌɪntəˈdʒekt $ -ər-/ verb [intransitive, transitive] formal INTERRUPTto interrupt what someone else is saying with a sudden remark ‘That’s absolute rubbish!’ he interjected.→ See Verb table
Examples from the Corpus
interject• "Of course not!" Garland interjected.Origin interject (1500-1600) Latin past participle of intericere, from jacere “to throw”