- overmuch
- oddly
- opine. aver
- other man
- on the job
- order to
- of easy virtue
- off the beaten track
- obesity
- outbursts
- obliteration
- obstructed
- of interest
- on the bottom
- overruling
- offcomer
- outlawing
- orb-shaped
- originate in
- of little value
- other than
- over-critical
- owners
- on pins and needles
- osculation
- on the doorstep
- over-brim
- ordinances
- oblate
- overacted
- of substance
- old lag
- on the barrelhead
- on the same wavelength
- one-on-one
- overlooked
- old stager
- on full alert
- open to attack
- on the outs
- overset
- objecting
- or thereabouts
- on the qui vive
- obsecration
- out of humour
- opress
- odiousness
- on welfare
- on one's last legs
- ordinal number
- on the stocks
- of importance
- overcrowd
- over-wrought
- offentimes
- overfamiliar
- overdose
- ovenproof
- overplayed
- one's cross to bear
- olde worlde
- oojamaflip
- on the wallaby track
- one's portion
- offcuts
- on the skew
- owner-occupancy
- overhadow
- overwight
- on the blink
- on the stroke of something
- obligingly
- occurrences
- out of sort
- overemphasized
- over and above that
- outside of
- outer limits
- over-dramatized
- old wives' tales
- of consequence
- off target
- of good report
- overkill
- offprint
- out-of-towner
- one's salad days
- outstan-ding
- overload oneself
- out of love
- on the eve of
- oil the wheels of
- owner-occupier
- once-over
- one's better half
- overpopulated
- opium
- overelaborate
- outspokenness