noun
monster movie; kaiju film
Refers to films featuring giant monsters, especially Japanese kaiju like Godzilla.
怪獣映画が好きで、特にゴジラシリーズをよく見ます。
I like monster movies, and I especially watch the Godzilla series often.
Refers to special effects or tokusatsu films, a broader category that includes monster movies.
Compound of 怪獣 (kaijū, 'monster') and 映画 (eiga, 'movie').