adjective/kʁɔ.nɔ.faʒ/
time-consuming
“Il y a globalement un a priori très négatif sur TikTok : futile, inapproprié et chronophage, on y trouve tout et rien.” — On the whole, people have very negative preconceptions about TikTok: they think it's pointless, inappropriate and a waste of time, and that people will post anything and everything.
Related: chronophagement
From chrono- + -phage.