cardboard

US /ˈkɑːrd.bɔːrd/
UK /ˈkɑːrd.bɔːrd/
"cardboard" picture
1.

carton

a stiff material made from paper pulp, typically used for making boxes and other containers

:
The moving boxes were made of thick cardboard.
Les cartons de déménagement étaient faits de carton épais.
She cut a piece of cardboard to use as a base for her model.
Elle a coupé un morceau de carton pour l'utiliser comme base pour son modèle.
1.

carton, faible

lacking depth or substance; flimsy or unconvincing

:
The characters in the movie were so cardboard, I couldn't connect with them.
Les personnages du film étaient si carton, je n'ai pas pu m'y attacher.
His excuse for being late was rather cardboard.
Son excuse pour être en retard était plutôt faible.