unintentional
1. [ adjective ] not done or made or performed with purpose or intent
Synonyms: undesigned
Related terms: designed
2. [ adjective ] without deliberate intent
Synonyms: unwilled
Examples:

"my heart with unwilled love grew warm"- George Macdonald

Related terms: unwilling
3. [ adjective ] not intentional
Synonyms: unwitting unplanned
Examples:

"an unintended slight" "an unintentional pun" "the offense was unintentional" "an unwitting mistake may be overlooked"

Related terms: unintended
Similar spelling:   unintentionally
  unintelligent
  unmentionable
  unemotional
  unintended
  unintelligently
  unentertaining
  unemotionally