topplinggerund / present participle Used attributively to describe something that is in the act of falling or causing something to fall.
Translations
chancelantS'emploie pour quelque chose qui penche dangereusement ou menace de tomber. The toppling stacks of books threatened to bury the desk.
Les piles de livres chancelantes menaçaient d'ensevelir le bureau.
vacillantMoins fréquent, avec l'idée de déséquilibre ou de mouvement instable. In the process of falling or causing something else to fall, especially as a characteristic or ongoing action. The toppling stacks of books threatened to bury the desk.