L. identified ==>unidentified
not recognized or identified.
2. controlled ==>uncontrolled
3. attended ==>unattended
not noticed or dealt with.
4. successful ==>unsuccessful
5. important ==>unimportant
lacking in importance or significance.
6. educated ==>uneducated
having or showing a poor level of education.
7. interesting ==>uninteresting
not arousing curiosity or interest
8. qualified ==>unqualified
not officially recognized as a practitioner of a particular profession or activity through having satisfied the relevant conditions or requirements.
9. trained ==>untrained
not having been trained in a particular skill.
10. answerable ==>unanswerable
unable to be answered.