When a rainy day keeps me indoors, I amuse myself after the manner of other girls.
But there's a chill in the air and they'll be going indoors.
To grow, sow seed indoors during the late winter.
Let him go and come freely, let him touch real things and combine his impressions for himself, instead of sitting indoors at a little round table, while a sweet-voiced teacher suggests that he build a stone wall with his wooden blocks, or make a rainbow out of strips of coloured paper, or plant straw trees in bead flower-pots.
Some businesses have areas where people can walk, both indoors and out.