un·pre·med·i·tat·ed 
(ŭn′prĭ-mĕdĭ-tā′tĭd)
(ŭn′prĭ-mĕdĭ-tā′tĭd)adj.
Not planned or thought out in advance: an unpremeditated crime.
- obstinacy
- obstinate
- obstinately
- obstinateness
- obstipation
- obstreperous
- obstreperously
- obstreperousness
- obstruct
- obstructer
- obstruction
- obstructionism
- obstructionist
- obstructionistic
- obstruction of justice
- obstructive
- obstructively
- obstructiveness
- obstructor
- obstruent
- obtain
- obtainable
- obtainer
- obtect
- obtected