what is say nothing about

“Say nothing of” (or “to say nothing of”) is an English idiom that means “and that’s not even mentioning…” or “in addition to (something that would make the point even stronger).”

Core meaning

• It introduces an extra fact that makes a situation even more extreme, serious, or impressive.

• It is very close in meaning to “not to mention” or “on top of that.”

Simple examples

• “It’ll take hours to clean the kitchen, to say nothing of the living room and bathroom.”
  → The living room and bathroom make the cleaning job even bigger.

• “Unemployment causes stress, to say nothing of the financial problems.”
  → The financial problems are an additional, even stronger consequence.

How it’s used in sentences

• Structure: main point + “to say nothing of” + extra point.

• Often used for:
  • Emphasizing negative things (problems, costs, risks).

* Sometimes for positives (extra benefits or achievements).

Example:
“Studying abroad is challenging socially, to say nothing of the paperwork and visa issues.”

Tone and style

• Feels slightly formal or literary, more common in writing than casual speech.

• Writers use it for rhetorical emphasis, to build up how serious or big something is.

TL;DR:
“Say nothing of” = “not to mention / and that’s besides…” and introduces another detail that makes the point stronger.

Information gathered from public forums or data available on the internet and portrayed here.