This is the 13176th most frequent Turkish word.
katılamasa
"Katılamasa" means "if (he/she/it) cannot participate/attend" in English.
Here, 'katılamasa' is a conditional verb form meaning 'if he/she cannot attend', expressing a hypothetical situation.
Eğer toplantıya katılamasa, bize haber verir.
If he/she cannot attend the meeting, he/she informs us.
In this sentence, 'katılamasa' implies an action that is not carried out and serves as a condition for the subsequent point.
Katılamasa da projeyi destekliyor.
Even if he/she cannot attend, he/she supports the project.
Here, 'katılamasa' signifies a negative conditional situation linked to an emotional outcome.