This is the 14343rd most frequent German word.
immergleichen
"Immergleichen" means "always the same" or "ever-identical."
Here, 'immergleich' is used as an adjective describing the noun 'Lied'—indicating that the song is continuously or monotonously the same.
Das immergleiche Lied wurde den ganzen Tag gespielt.
The same old song was played all day.
'Immergleich' modifies 'Diskussionen,' emphasizing the repetitive and unchanging nature of the discussions.
Ich bin es leid, die immergleichen Diskussionen zu führen.
I am tired of having the same old discussions repeatedly.
Here, 'immergleich' describes 'Fehler,' suggesting that the errors are consistently recurring and repetitive in nature.