to say nothing of (someone or something)
to say nothing of (someone or something)
Not even considering or mentioning the significance or impact of someone or something else; not to mention (someone or something). It will take me at least two hours to fix this part of the fence, to say nothing of repairing all of it. Their newborn will be difficult enough to take care of while they're away, to say nothing of their temperamental toddler.
to say nothing of someone or something
not to even mention the importance of someone or something. John and Mary had to be taken care of, to say nothing of Bill, who would require even more attention. I'm having enough difficulty painting the house, to say nothing of the garage that is very much in need of paint.
to say nothing of
see under not to mention.
to say ˈnothing of something
and also; not forgetting: She is an expert in Chinese, to say nothing of speaking several European languages.to say nothing of
And there is no need to mention. Used to allude to things that fill out an idea or argument: The yard is a mess, to say nothing of the house.