Grammar fix
much less
even less possible
Used after a negative statement to show that a second thing is even less likely or possible.
expression
How oftenCommon
LevelB2
Used inSpeech & writing
Hear it in context
Notice where the phrase sounds natural.
Most young people cannot afford to buy a house, much less a second one.
I find it hard to save for a holiday, much less pay for a long trip abroad, because rent takes up most of my income.
Fix the pattern
One small grammar move makes it sound right.
Not: I can't afford a flat, much less to buy a house.
Say: I can't afford a flat, much less a house.
After 'much less', use a matching noun or verb form without an unnecessary 'to'.
Don't confuse it
Other ways to say it
Say the next thing is even less likely
Which regional tendencyBritishAmerican
never mindEspecially British, informal: 'I can't boil an egg, never mind cook.'let aloneAfter a negative, emphasise an even less possible second thing.
much lessYou're here · More American and more formal than let alone.