It is a simple definition question btw The paragraph
So she used to slip out alone sometimes, when Fanny was absorbed in novels, company, or millinery, and get fine brisk walks round the park, on the unfashionable side, where the babies took their airings; or she went inside, to watch the boys coasting, and to wish she could coast too, as she did at home.

Select the group of words that best define unfashionable as it is used in the sentence.

silly, vain, and foolish
strong, bold, and brave
energetic, active, and busy
ordinary, homely, and poor