Dictionary

let alone

2 ENTRIES FOUND:

let alone

conjunction

Definition of LET ALONE

:  to say nothing of :  not to mention —used especially to emphasize the improbability of a contrasting example <he would never walk again let alone play golf — Sports Illus.> <how many ever see an Ambassador or Minister, let alone a President — Robert Lacville>

Examples of LET ALONE

  1. <I don't have enough money for a new car, let alone a luxury sedan.>

First Known Use of LET ALONE

1765

Related to LET ALONE

Synonyms
much less, never mind, still less, not to mention

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