general [n]
- Verfall [m]
- Zerfall [m]
civilization [n]
- Zerfall [m]
- Sturz [m]
- Untergang [m]
general [v]
- ablehnen
civilization [v]
- verfallen
deteriorate [v]
- verschlechtern
- bergab gehen
- verfallen
drop off [v]
- abnehmen
- schwächer werden
- abfallen

general [n]
- déclin [m]
civilization [n]
- décadence [f]
- ruine [f]
- déclin [m]
general [v]
- décliner
- refuser
civilization [v]
- décliner
deteriorate [v]
- détériorer
- dépraver
- rendre pire
- décliner
drop off [v]
- diminuer
- décroître

general [n]
- declino [m]
- decadenza [f]
civilization [n]
- decadenza [f]
- declino [m]
- rovina [f]
- caduta [f]
general [v]
- declinare
- rifiutare
civilization [v]
- decadere
- cadere in rovina
deteriorate [v]
- deteriorare
- alterare
- peggiorare
drop off [v]
- calare
- diminuire

general [n]
- decadencia [f]
- deterioro [m]
civilization [n]
- decadencia [f]
- decaimiento [m]
- ocaso [m]
general [v]
- rehusar
civilization [v]
- caer
- declinar
deteriorate [v]
- deteriorarse
- empeorar
- degradarse
drop off [v]
- bajar
- disminuir
- decrecer
- ir a menos

general [n]
- verval [n]
- verslechtering [f]
- achteruitgang [m]
civilization [n]
- verval [n]
- achteruitgang [m]
- neergang [m]
general [v]
- afwijzen
- weigeren
- afslaan
civilization [v]
- vervallen
- achteruitgaan
deteriorate [v]
- verslechteren
- slechter worden
- achteruitgaan
- bergafwaarts gaan
drop off [v]
- afnemen
- teruglopen

general [n]
- förfall [n]
- nedgång [u]
civilization [n]
- förfall [n]
- sönderfall [n]
- sjunkande [n]
- nedgång [u]
general [v]
- avböja
- avslå
civilization [v]
- förfalla
deteriorate [v]
- försämras
- förfalla
- sjunka
drop off [v]
- avta
- minska
- försvinna
- bortfalla

general [n]
- declínio [m]
- deterioração [f]
civilization [n]
- declínio [m]
- decadência [f]
- queda [f]
general [v]
- refutar
- recusar
civilization [v]
- cair em decadência
- decair
deteriorate [v]
- deteriorar
- piorar
- ir por água abaixo [informal]
- declinar
drop off [v]
- baixar
- diminuir
- declinar
- decrescer

decrease [n]
- decay
- dissolution
- degradation
- degeneration
- ebb
- deterioration
- failure
slope [n]
- descent
- pitch
- declivity
- dip
- hill
- incline
refuse [v]
- repel
- avoid
- desist
- disapprove
- deny
- dismiss
descend [v]
- dip
- sag
- droop
- set
- incline
- settle
abase [v]
- condescend
- debase
- lower oneself
- stoop
weaken [v]
- die
- cheapen
- decay
- dwindle
- worsen
- degenerate
- fade

Present participle; Past participle
- declining
- declined
Present
- decline
- decline
- declines
- decline
- decline
- decline
Past
- declined
- declined
- declined
- declined
- declined
- declined
Future
- will decline
- will decline
- will decline
- will decline
- will decline
- will decline
Present conditional
- would decline
- would decline
- would decline
- would decline
- would decline
- would decline
Present Perfect
- have declined
- have declined
- has declined
- have declined
- have declined
- have declined
Past Perfect
- had declined
- had declined
- had declined
- had declined
- had declined
- had declined
Future Perfect
- will have declined
- will have declined
- will have declined
- will have declined
- will have declined
- will have declined
Past conditional
- would have declined
- would have declined
- would have declined
- would have declined
- would have declined
- would have declined
Imperative
- -
- decline
- -
- -
- -
- -