stiffly
adverbUK /ˈstɪfli/
US /ˈstɪfli/
In a way that is not soft or easy to bend.
He walked stiffly after sitting for a long time.
OTHER MEANINGS
2. In a formal and unfriendly way.
She greeted us stiffly and did not smile.
3. In a way that shows pain or difficulty in moving.
He stood up stiffly from the old chair.
4. In a strong and steady way, without shaking.
The flag hung stiffly in the cold wind.