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in the PONS Dictionary

effondrer [efɔ͂dʀe] VB refl s'effondrer

1. effondrer (s'écrouler):

2. effondrer (être anéanti):

3. effondrer (baisser brutalement):

4. effondrer (craquer) personne:

5. effondrer COMPUT:

OpenDict entry

effondrer VB

Présent
j'effondre
tueffondres
il/elle/oneffondre
nouseffondrons
vouseffondrez
ils/elleseffondrent
Imparfait
j'effondrais
tueffondrais
il/elle/oneffondrait
nouseffondrions
vouseffondriez
ils/elleseffondraient
Passé simple
j'effondrai
tueffondras
il/elle/oneffondra
nouseffondrâmes
vouseffondrâtes
ils/elleseffondrèrent
Futur simple
j'effondrerai
tueffondreras
il/elle/oneffondrera
nouseffondrerons
vouseffondrerez
ils/elleseffondreront