This is the 209th most frequent French word.
tout
"Tout" means "all," "everything," or "very," depending on context.
'Tout' is used to mean 'everyone' or 'all the people', indicating inclusiveness.
Tout le monde aime la musique.
Everyone loves music.
'Tout' indicates entirety, referring to the whole meal the subject ate.
Il a mangé tout son repas.
He ate all his meal.
'Tout' functions as an intensifier, equivalent to 'very', modifying the adjective 'heureuse'.