tapered

"The heavy rain diminished the size of the garden flowers. "

"The candle flame flickered in the breeze, casting dancing shadows on the wall. "

"thin plate of metal;  thin paper;  thin board;  thin covering"

"The atmosphere was thick with the smell of popcorn, as the kids gathered for the movie night. "

"We need to narrow the search."

"She carefully handled the delicate, lace-trimmed lingerie. "

"peaceful protest"

"The plants gradually grew taller over the summer. "

"a narrow hallway"

"He listened carefully to his mother's concerns, feeling sorrowful about her disappointment. "

"The widget making machine is being used for production now."

"The art student carefully sculpted a small, detailed figure of a bird from clay. "