This is the 694th most frequent Danish word.
almindelige
"Almindelige" means "ordinary" or "common" in English.
'almindelige' is used here as an adjective modifying 'mennesker', describing them as ordinary.
De almindelige mennesker i byen var tilfredse med forandringerne.
The ordinary people in the town were satisfied with the changes.
'almindelig' describes 'kaffe', indicating it is plain or regular.
Han bad om en kop almindelig kaffe, ikke noget specielt.
He asked for a cup of plain coffee, nothing special.
'almindeligt' is used as an adverb related to the impersonal verb phrase, indicating that it is a shared standard practice.