Definition of not have the faintest idea/notion
- He didn't have the faintest idea/notion what she was talking about.
: lacking courage and spirit : cowardly
: weak, dizzy, and likely to faint
: lacking strength or vigor : performed, offered, or accomplished weakly or languidly
: to lose courage or spirit
: to become weak
: to lose consciousness because of a temporary decrease in the blood supply to the brain
: the physiological action of fainting
: a transcendent entity that is a real pattern of which existing things are imperfect representations
: a standard of perfection : ideal
: a plan for action : design
: an individual's conception or impression of something known, experienced, or imagined
: an inclusive general concept
: a theory or belief held by a person or group
What made you want to look up not have the faintest idea/notion? Please tell us where you read or heard it (including the quote, if possible).