
sich weigern
to refuse
To firmly reject something that is demanded or expected of you and not do it. This expresses strong unwillingness.
Der Angeklagte weigerte sich, eine Aussage zu machen.
The defendant refused to make a statement.
to refuse
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to refuse
To firmly reject something that is demanded or expected of you and not do it. This expresses strong unwillingness.
Der Angeklagte weigerte sich, eine Aussage zu machen.
The defendant refused to make a statement.
'Weigern' (to refuse) is a reflexive verb and must always be used together with a reflexive pronoun in the accusative (mich, dich, sich, uns, euch, sich). The pronoun agrees with the subject of the sentence.
Ich weigere mich, diese ungerechte Regel zu akzeptieren.
I refuse to accept this unfair rule.
The most common sentence structure with 'sich weigern' (to refuse) is the combination with an infinitive with 'zu'. This expresses which action someone does not want to carry out.
Das Kind weigerte sich, sein Gemüse zu essen.
The child refused to eat his vegetables.
The verb 'sich weigern' (to refuse) expresses a strong and deliberate rejection. Stylistically, it is somewhat more formal and stronger than other expressions of refusal.
Die Mitarbeiter weigerten sich, unter den neuen Bedingungen weiterzuarbeiten.
The employees refused to continue working under the new conditions.
to reject
Both verbs can express a negative reaction to a proposal or an expected action. Ablehnen usually applies to the offer or proposal; sich weigern emphasizes that the person does not carry out an expected action. Therefore, use ablehnen for the request or proposal and sich weigern for the action or inaction.

Sie weigerte sich, am Samstag länger zu bleiben.
She refused to stay longer on Saturday.
Sie lehnte den Vorschlag ab, am Samstag länger zu bleiben.
She rejected the suggestion that she stay longer on Saturday.