Unladylikely

Mother looked as if she onged to be a man for just one minute while she expressed herself strongly and unladylikely.

Source: wiktionary

In the first place the headgear did not fuly^([sic]) conceal the stubbly chins of the women, and they had a general tread that was not stately enough to bespeak them as “nice girls,” so there was no acceptance of the challenge, but my, O me, they did have a lot of fun out of it before it was over, for a nine of men was made up, and they went after the skirts quite unladylikely.

Source: wiktionary

“Omigosh,” I gasped, unladylikely.

Source: wiktionary

Why, when I got your letter, I just danced, very unladylikely, all over the room!

Source: wiktionary