てこもりでわありませんでした
てこ盛りではありませんでした
te komoridewārimasendeshita

Noun
Desu Copula
no-Adjective

The polite, past negative form of てこもり

1. Was not thriving.; Was not going well.; Was not successful.

Past/Perfective
Negative
Polite
Formal Register
Usually Written in Kana