This is the 15087th most frequent German word.
sporadisch
"Sporadic" – occurring irregularly or infrequently.
Here, 'sporadisch' describes an infrequent or irregular occurrence without a fixed schedule.
Ich treibe nur sporadisch Sport.
I only engage in sports sporadically.
In this sentence, 'sporadisch' indicates that the meetings are organized irregularly or on an as-needed basis.
Die Meetings finden sporadisch statt, je nach Bedarf.
The meetings take place sporadically, depending on the need.
'Sporadisch' here conveys that his visits are infrequent and irregular, likely due to practical constraints.