spoken or written words that suggest something but do not say it directly, and which may be defamatory (=used to describe something which is untrue and that is written or said about someone or something so that people will have a bad opinion of them/it)
I've never seen such irresponsible and damaging innuendo.
spoken words that suggest something but do not say it directly, especially words with a double meaning used to hint at sexual acts or something unpleasant
The show was full of disgusting innuendo. I thoroughly regret having watched it.