Compounds of ない

• 差し障りのない
  (adj-i) innocuous
  inoffensive
• 思いもかけない
  (adj-i) unexpected
  contrary to expectations
  unforeseen
• 思いもよらない
  (adj-i) unexpected
  unforeseen
  inconceivable
• 思いも掛けない
  (adj-i) unexpected
  contrary to expectations
  unforeseen
• 思いも寄らない
  (adj-i) unexpected
  unforeseen
  inconceivable
• 思えてならない
  (exp) cannot help feeling that
  cannot help thinking that
• 思ってもいない
  (adj-i) unanticipated
  unexpected
• 思ってもみない
  (adj-i) unexpected
  unforeseen
  inconceivable
• 思っても見ない
  (adj-i) unexpected
  unforeseen
  inconceivable
• 歯に衣着せない
  (exp) not mince matters
• 示しがつかない
  (exp) setting a bad example to others
• 自慢じゃないが
  (exp) I don't want to boast but
• 取り止めのない
  (adj-i) incoherent
  wandering
  vague
  rambling
  whimsical
• 取り留めのない
  (adj-i) incoherent
  wandering
  vague
  rambling
  whimsical
• 取るに足らない
  (exp) worthless
  valueless
• 取るに足りない
  (exp) worthless
  valueless
• 手も足も出ない
  (exp) cannot do a thing
  feeling handcuffed
  being at the end of one's tether
  being at one's wit's end
• 出る幕ではない
  (exp) it is none of one's business
  it is not one's place to say (do) something
• 焼きの足りない
  (adj-i) underfired
• 心当たりがない
  (exp) having no idea
  having no clue
• 心当たりのない
  (adj-i) completely unknown
  unexpected
  having no clue about
• 心配でならない
  (exp) can't help worrying
  besides myself with worry
• 人後に落ちない
  (exp) to be second to none (in)
• 性的区別のない
  (adj-i) gender-neutral
• 想像に難くない
  (exp) easy to imagine
• 相撲にならない
  (exp) is no match for
  can't hold a candle to
• 他人事ではない
  (exp) don't think it's somebody else's problem, it could very well be (have been) yours (mine)
• 男に二言はない
  (exp) a man's word is his bond
  a man does not go back on what he's said
• 知らないうちに
  (exp,adv) before one knew it
  before one realized it
  (P)
• 恥も外聞もない
  (exp) not worrying about one's reputation or appearance
  not caring what others think