wiederholt
repeated
Describes something that happens or is done several times or repeatedly.
Trotz wiederholter Warnungen fuhr er weiterhin zu schnell.
Despite repeated warnings, he continued to drive too fast.

repeated
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repeated
Describes something that happens or is done several times or repeatedly.
Trotz wiederholter Warnungen fuhr er weiterhin zu schnell.
Despite repeated warnings, he continued to drive too fast.

'Wiederholt' (repeated) is the past participle of the verb 'wiederholen' (to repeat). It is often used as an adjective or adverb and keeps the meaning of 'doing something several times'.
Das ist jetzt schon der wiederholte Versuch, ihn anzurufen.
This is already the repeated attempt to call him.
'Wiederholt' (repeated) can stand before a noun as an adjective and is then declined. It can also describe a verb as an adverb and then remains unchanged.
Seine wiederholte Abwesenheit fiel allen auf.
His repeated absence was noticed by everyone.
Using 'wiederholt' (repeated/repeatedly) often sounds more formal or emphatic than simpler adverbs such as 'oft' (often) or 'mehrmals' (several times). It is frequently used in written language, reports, or news.
Der Zeuge wurde wiederholt zu dem Vorfall befragt.
The witness was questioned repeatedly about the incident.
always
'immer wieder' and 'wiederholt' both describe that something happens several times. 'immer wieder' sounds more natural in everyday language and emphasizes that something happens again, perhaps over a longer period of time. 'wiederholt' sounds somewhat more factual and is often used in reports, rules, or official texts. 'immer' alone does not automatically mean 'several times'; for this meaning, you usually need 'immer wieder'. 'wiederholt' works well when you want to express the repeated action briefly and neutrally.

Der Trainer hat die Mannschaft wiederholt auf die neuen Regeln hingewiesen.
The coach repeatedly pointed out the new rules to the team.
Er liest den schwierigen Satz immer wieder, weil er ihn verstehen will.
He reads the difficult sentence again and again because he wants to understand it.