Compounds of 無

• 無理数
  (n) (math) irrational number
• 無力感
  (n) sense of helplessness
  (P)
• 無礼講
  (n,vs) putting aside rank
  free and easy (party)
• 無礼者
  (n) insolent fellow
  rude fellow
• 無翅類
  (n) apterygotes (wingless insects)
• 名無し
  (n) nameless
• 訳無い
  (adj-i) (1) easy
  simple
  (exp) (2) (there is) no reason
• 訳無く
  (adv) easily
  without difficulty
• 由無き
  (n) meaningless
  senseless
  absurd
• 用無し
  (exp) idle
  useless
• 力無い
  (adj-i) feeble
• 力無げ
  (n) feebly
  dejectedly
• 恙無い
  (adj-i) well
  in good health
  safe
  free from accident
• かじ無し
  (adj-f) coxless (rowing)
• ご無沙汰
  (n,vs) not writing or contacting for a while
  neglecting (failing) to write (call, visit, etc.)
  long silence
• ずく無し
  (n) (uk) bum
  slacker
  good-for-nothing
  loser
• とも無く
  (exp) (uk) phrase used to express the uncertainty or lack of intent in what precedes it
• 悪虐無道
  (adj-na,adj-no) treacherous
  heinous
  treasonous
  atrocious
• 悪虐無道
  (adj-na,adj-no) treacherous
  heinous
  treasonous
  atrocious
• 悪逆無道
  (adj-na,adj-no) treacherous
  heinous
  treasonous
  atrocious
• 悪逆無道
  (adj-na,adj-no) treacherous
  heinous
  treasonous
  atrocious
• 安穏無事
  (n,adj-na) peace and quiet
  safe and peaceful
  tranquil and uneventful
• 謂れ無い
  (adj-i) (uk) unjustified
  unwarranted
  unfounded
  baseless
  groundless
• 違い無い
  (exp,adj-i) (phrase) sure
  no mistaking it
  for certain
• 遺憾無く
  (adv) unobjectionally
  fully
• 一文無し
  (adj-na) penniless
• 陰嚢無し
  (n) (arch) (derog) cowardly man (lit: man with no balls)
• 縁が無い
  (exp,adj-i) have no relation to
  have no luck with
  not be fated to
• 縁の無い
  (adj-i) unrelated
  unconnected
• 仮借無き
  (n) merciless(ly)