Jackson primarily uses a dry, neutral, journalistic style in this short story, telling the tale matter-of-factly. Nevertheless, we get hints that the lottery makes the villagers uneasy and uncomfortable through some of the connotative, or emotionally colored, words she chooses. For example, the black box that hold the lottery tickets had spent "another year underfoot in the post office." The word "underfoot" has the negative connotation of being a bother or encumbrance, something people trip over and resent. Jackson could have used a word like "stored" or "rested," which would have had a much less negative connotation.
We learn that at one time there had been ritual words used at the lottery, which are described as "a perfunctory, tuneless chant." "Perfunctory" and "tuneless" both have negative connotations. "Perfunctory" means going through the motions without caring, and "tuneless," of course, conjures an unpleasant sound. This ritual associated with the lottery was, we can assume, unwelcome.
Mr. Summers, who runs the lottery, wears a "clean white shirt and blue jeans." A clean white shirt carries a connotation of purity, which is at odds with the ritual, while "blue jeans" are a down-to-earth, ordinary piece of clothing.
Jackson describes Mr. Summers and Mr. Adams as "grinn[ing] at one another humorlessly and nervously." Here, the word "grinned" takes on a ghoulish connotation. Normally, smiling or grinning is a pleasant facial expression, but in this context it seems more like the smile we associated with a skull.
One of the most powerful connotations come when Little Dave Hutchinson walks "willingly . . . up to the box." The word "willingly" connotes innocence: Dave comes willingly to draw a piece of paper because he is so young he has no idea it could mean he will soon be stoned.