What does まして mean?
まして is a Japanese adverb meaning “still more, let alone” in English. It is written as まして in hiragana, and mashite in romaji. This word is part of JLPT N1 vocabulary.
Example sentences
それらの星は肉眼で見える、まして望遠鏡ならなおさらである。
You can see the stars with your naked eye, and even better through a telescope.
メアリーはフランス語を読むことさえできない、まして話すことはできない。
Mary can't even read French, much less speak it.