useless
impracticable
impractical
inoperable
nonpractical
unserviceable
unusable
unworkable
/suto3/google.iconuseless
/suto3/Google画像検索.iconuseless
/suto3/Google定義検索.icon useless
/suto3/wikipedia.iconuseless
/suto3/weblio.icon useless
/suto3/kotobank.icon useless
/suto3/jisho.icon useless