godan verb (-ru), intransitive verb
be formal; stick to formality; be ceremonious
Describes a person or event that is overly formal, stiff, or punctilious. Often carries a slightly negative nuance of being unnecessarily rigid.
彼はいつも儀式張った話し方をする。
He always speaks in a stiff, formal manner.
そんなに儀
You don't have to be so formal.