me·gap·o·lis 
(mĭ-găpə-lĭs, mĕ-)
(mĭ-găpə-lĭs, mĕ-)n.
A megalopolis.
- overcall
- overcame
- overcapacity
- overcapitalization
- overcapitalize
- overcast
- overcasting
- overcautious
- overcautiously
- overcautiousness
- overcharge
- overclass
- overcloud
- overcoat
- overcoating
- overcome
- overcommit
- overcommitment
- overcompensate
- overcompensation
- overcompensatory
- overconfidence
- overconfident
- overconfidently
- overcorrect