weblog UK /ˈwɛb.lɒɡ/US /ˈwɛb.lɔɡ/ noun1 •(Internet, old-fashioned) A website in the form of an ongoing journal.The case of the Loufan landslide indicates how a mainstream journalist-blogger used his weblog to expose the cover-up of an accident in north-west China. — 2011 formsWeblogs · weblogs