This is the 9513th most frequent French word.
décollé
"Décollé" means "unstuck" or "taken off."
Here, 'décollé' is used as the past participle of the verb 'décoller,' describing the action of an airplane taking off.
L'avion a décollé après un léger retard.
The plane took off after a slight delay.
In this sentence, 'décollé' refers to the action of becoming unstuck or detached from a surface.
Son poster était mal collé et s'est décollé.
His poster was poorly glued and came unstuck.
Here, 'décollée' describes a part of the shirt, indicating that it is loose or unfastened in some way.