erdulden
to endure
To bear something painful, unpleasant, or difficult over a longer period of time without resisting or breaking down.
Die Bevölkerung musste jahrelang große Not erdulden.
The population had to endure great hardship for years.

to endure
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to endure
To bear something painful, unpleasant, or difficult over a longer period of time without resisting or breaking down.
Die Bevölkerung musste jahrelang große Not erdulden.
The population had to endure great hardship for years.

'Erdulden' (to endure) is an inseparable verb based on 'dulden' (to tolerate). The prefix 'er-' strengthens the meaning and emphasizes that one successfully gets through a difficult situation over a certain period of time.
Er musste die ungerechte Kritik schweigend erdulden.
He had to silently endure the unfair criticism.
This verb belongs to elevated, rather formal or literary language. It expresses patiently and often silently enduring great difficulties.
Die Gefangenen mussten unvorstellbare Qualen erdulden.
The prisoners had to endure unimaginable torment.
'Erdulden' (to endure) is always used with negative states or events. One typically endures 'Schmerzen' (pain), 'Leid' (suffering), 'Unrecht' (injustice), 'Hunger' (hunger), or 'Demütigungen' (humiliations).
Sie musste während ihrer Krankheit starke Schmerzen erdulden.
During her illness, she had to endure severe pain.
to suffer
'leiden' and 'erdulden' both have to do with something difficult or painful. 'leiden' describes that someone has pain, sorrow, or a burden. It does not necessarily say whether the person actively does something about it or not. 'erdulden' emphasizes that someone puts up with something unpleasant over a longer period of time and hardly resists, or does not resist at all. 'leiden' works well for illnesses, emotional pain, or difficult circumstances. 'erdulden' sounds stronger and often somewhat more elevated; it fits when enduring something is the main focus.

Die Nachbarn mussten den Baulärm den ganzen Sommer erdulden.
The neighbors had to endure the construction noise all summer.
Viele Menschen leiden im Winter unter Einsamkeit.
Many people suffer from loneliness in winter.