PPrune Pop
So, for those who require the meaning of the word doubt, in this case Collins Concise Dictionary and the word 'doubt.' It is thus:
1. doubt. uncertainty about the truth, fact or existence (esp in in doubt,without doubt, etc.)
2. (often pl.) lack of belief in or conviction about something.
3. an unresolved difficulty, point, etc,
4. Obs. fear.
5. give (someone) the benefit of the doubt. to presume (someone suspected of guilt) innocent.
6. no doubt, almost certainly.
Or for the definition of 'fruitcake' thus:
1. fruitcake (adj) Walter Kennedy, a most amusing anecdote teller and occasional visitor to earth.