noun, noun which may take the genitive case particle 'no'
stuck in a rut; stereotyped; humdrum
Abbreviation of マンネリズム (mannerism). Used for situations, relationships, or creative work that have become stale, repetitive, or lacking freshness. Often appears as マンネリ化する or マンネリになる.
See also: マンネリズム
最近、仕事がマンネリ化してきた。
Lately, my work has become routine and stale.
This drama is getting predictable, isn't it?
Eating the same menu every day, meals have started to feel monotonous.
Long-term couples easily fall into a rut.
We want to break out of the rut with a new project.