これ よがしじゃありませんでした
koremiyogashijārimasendeshita

Desu Copula
na-Adjective
no-Adjective

The polite, past negative form of これ見よがし

1. It wasn't something to show off.; It wasn't something to boast about.; It wasn't something to flaunt.

Past/Perfective
Negative
Polite
Terminal Form