| shirk | Avoid or neglect (a duty or responsibility) | |
| shelve | To put aside or postpone | |
| shard | A piece of broken ceramic, metal, glass, or rock, typically having sharp edges | |
| sham | Something that is not what it purports to be; a spurious imitation; fraud or hoax. | |
| servile | Having or showing an excessive willingness to serve or please others | |
| serendipity | The occurrence of events by chance in a happy or beneficial way | |
| sere | Dry or withered, especially used to describe vegetation | |
| sequacious | Lacking independence or originality of thought | |
| sentient | Able to perceive or feel things | |
| sententious | Given to moralizing in a pompous or affected manner | |