1.
packed; full of content; loaded with things
Having a large amount or variety of things, especially content, events, or food. Conveys a positive sense of abundance.
Forms
盛り (heaping, serving) + たくさん (a lot). Literally "a heaping amount."
Usage
Always positive in nuance — describes events, meals, programs, or schedules that are satisfyingly full. Used as a na-adjective (盛りだくさんな内容) or with the particle の (盛りだくさんの内容). Common in advertising and event descriptions.