Compounds of 無

• 何と無く
  (adv) somehow or other
  for some reason or another
• 何と無く
  (adv) somehow or other
  for some reason or another
• 何も無い
  (exp,adj-i) nothing
  empty
• 何気無い
  (adj-i) casual
  unconcerned
  nonchalant
• 何気無く
  (adv) unintentionally
  calmly
  inadvertently
  innocently
  (P)
• 何心無い
  (adj-i) casual
  unconcerned
• 何心無く
  (n) without any special thought
• 暇が無い
  (adj-i) busy
  having no (free) time
• 暇も無く
  (exp) to (do) without losing time
• 果敢無い
  (adj-i) (1) fleeting
  transient
  short-lived
  momentary
  ephemeral
  fickle
  vain
  (2) empty (dream, etc.)
  mere (hope)
  faint (possibility)
• 火宅無常
  (exp) This world is uncertain (cruel) like a burning house
• 怪力無双
  (n,adj-no) (a person of) unrivaled physical strength
• 海内無双
  (n) unparalleled in the whole country
• 覚束無い
  (adj-i) (1) (uk) uncertain
  doubtful
  (2) unreliable
  unsteady
  shaky
  faltering
• 乾燥無味
  (adj-na,n) dryness
  dullness
• 完全無欠
  (adj-na,n,adj-no) flawless
  absolute perfection
• 感慨無量
  (adj-na,n) deep emotion
  one's mind is filled with thousand emotions
  (P)
• 敢え無い
  (adj-i) tragic
• 敢え無く
  (adv) sadly
  tragically
• 間が無い
  (exp) (preceded by v-te) not long has passed since ...
• 間も無く
  (adv) (1) soon
  before long
  in a short time
  (2) (after verb) lacking time to ...
  without time to ...
  (P)
• 関係無い
  (exp) (col) have nothing to do with (something)
  have no connection with (something)
  "that's not it"
• 頑健無比
  (n,adj-na) being of very robust health
• 頑是無い
  (adj-i) innocent
  helpless
• 帰無仮説
  (n) null hypothesis
• 気が無い
  (exp) (1) to be uninterested
  (adj-f) (2) indifferent
  listless
• 気の無い
  (adj-i) indifferent
  half-hearted
  dispirited
  listless
• 気も無い
  (exp) (1) showing no signs of ~~
  there being no hint of ~~
  (2) (arch) unthinkable
• 窮み無き
  (n) without limit
  endless
• 虚無主義
  (n) nihilism