inadvertent russian

• случа́йный

  accidental, by chance, unintentional, inadvertent

  random (person), chance (acquaintance), stray

  occasional, casual (work), odd (job)

  random

• неча́янный

  unintentional, inadvertent (adj)

• да́вленый

  crushed, spoiled by inadvertent pressing

• неумы́шленный

  unpremeditated, inadvertent- unintentional

• неча́янно

  by accident, accidentally, inadvertently

• невзнача́й

  accidentally, inadvertently, by accident

  by chance, unexpectedly, all of a sudden

  casually, as if by chance

• ненаро́ком

  inadvertently, by accident

• неумы́шленно

  unintentionally, inadvertently, accidentally

• обмо́лвившийся

  having made a slip of the tongue, having blurted out, having spoken inadvertently

Examples

• Я пропусти́л э́то ненамеренно.

  I missed it inadvertently.

• Он ненароком сказал слишком много правды.

  He inadvertently told too much of the truth.