manner, demeanor
彼女の物腰はしとやかだ。
She has a graceful and demure manner.
サミさんは、すごく物腰の柔らかい方だったようね。
It seems Sami was a very soft-spoken person.
ナンシーは物腰が柔らかいと言うよりも思いやりがあるんだ。
Nancy is less soft-spoken than she is considerate.