conjunction/d‿o.tɑ̃ plys kə/
all the more reason that, even more so because, especially given that, forasmuch
“J'avais vraiment la flemme, je suis content que le prof ne soit pas là aujourd'hui, d'autant plus que j'ai encore plein de trucs à préparer pour le voyage.” — I was really lazy, I'm happy that the professor isn't here today, even more so because I still have plenty of things to prepare for the trip.
Synonyms: surtout que