pre·oc·cu·pied 
(prē-ŏkyə-pīd′)
(prē-ŏkyə-pīd′)adj.
1.
a. Absorbed in thought; engrossed.
b. Excessively concerned with something; distracted.
2. Formerly or already occupied.
3. Already used and therefore unavailable for further use. Used of taxonomic names.
- migrational
- migrator
- migratory
- Miguel
- Miguel
- Miguel de
- Miguel de
- Miguel José Serra.
- Miguel Primo de
- Miguel Serveto.
- mihrab
- mikado
- Mikasuki
- mike
- Mike
- "Mike."
- "Mike."
- Mikhail Aleksandrovich
- Mikhail Ilarionovich
- Mikhail Ivanovich
- Mikhail Ivanovich
- Mikhail Khristodolou Mouskos.
- Mikhail Mikhailovich
- Mikhail Nikolayevich
- Mikhail Sergeyevich