Common
Ordinary, Mediocre
noun, な adjective
へいぼん
一般 (いっぱん) General, Common
一般的 (いっぱんてき) Ordinary, General, Common
平凡 (へいぼん) Common, Ordinary, Mediocre
凡庸 (ぼんよう) Mediocre, Commonplace, Banal
The hay へい bonfire ぼん was Mediocre.
Hay へい makes for a Mediocre bonfire ぼん