O...

object-oriented analysis
objective
objective quality evidence
objectives
obligation
obs
observation
obsolete
oc curves
odc
off-the-shelf items
offer
office assistant
offset
offsite fabrication
ojt
ole
on-site assembly
on-the-job training ("ojt")
one hundred percent inspection
open projects
operating
operating characteristic curves ("oc curves")
operating manuals
operation
operational acceptance
operational system
operations acceptance review
operations and maintenance ("o&m")
operators
operators manual
opportunity phase
optimistic duration
optimistic time
option
oral
order of magnitude
order of magnitude estimate
organization
organization breakdown structure
organization breakdown system
organization chart
organization design
organization development
organization plan
organization resources
organization structure
organizational breakdown structure ("obs")
organizational constraints
organizational design
organizational factors
organizational influences
organizational learning
organizational planning
organizational requirements
organizational strategy
organizational style
organizer
orientation
original budget
original duration
other bid considerations
other direct costs ("odc")
out of scope
out-of-sequence progress
outdenting
outlays
outline
outline code
outline level
outline number
outline symbol
output format
outsourcing
over target baseline (otb)
over-allocation
overall change control
overall control
overall cost
overhead
overload
overrun
overtime rate
overtime work
owner
owner support
ownership of quality responsibility