- more not for profit
- more no win
- more object oriented
- more odds on
- more off air
- more off duty
- more off key
- more off label
- more off limits
- more off peak
- more off piste
- more off putting
- more off road
- more off the cuff
- more off the shelf
- more off white
- more off year
- more often than not
- more often than not
- more okey doke
- more okey dokey
- more old age
- more old fashioned
- more old school
- more old time