狭い (semai) means "narrow" or "cramped." It's an い-adjective describing a small or restricted space, the opposite of "広い" (hiroi). It indicates a lack of space. For example, "この道はとても狭いです。" (Kono michi wa totemo semai desu.) means "This road is very narrow."

「狭い」は面積が小さい時に使います。例：この道は狭いです。