Cases of word usage

1) a person who one knows but not as well as a friend (acquaintance)

2) next (to a person, thing); near (to a person, thing) but not necessarily touching (adjacent)

3) a person who has tried (a career etc) but failed to do well (also-ran)

4) a person but no particular or known one (anybody)

5) an event or object but no particular or known one (anything)

6) (of a person, behaviour) rough but honest and kind (bluff)

7) (e.g. ice, glass) hard but easily broken (brittle)

8) an injury made by a blow or knock to the body or to a fruit, so that the skin is blue etc but not broken (bruise)

9) a person standing near but not taking part in an event or activity (bystander)

10) (of a horse) a pace faster than a trot but slower than a gallop; period of riding at such a pace (canter)