- one who escapes
- out of jealousy
- of the same age
- of rare and appealing excellence
- of special beauty or charm
- out of bond
- operating environment
- operating instructions
- operating characteri_stic curve
- operating delay
- orphanhood
- orphanage
- orphans' asylum
- outstanding
- orotund
- outsize
- onward
- one's wife
- one's honour to be under_ mined
- on equal terms
- on
- on me
- on top
- on a basis of parity
- off duty
- off licence
- open fracture
- off_response
- off_effect
- obstreperousness
- one who never be defeated
- one of the six causes for crop_ruin
- one who has achieved perfection through experiments
- on a roll
- on board(a ship or an aircraft)
- one having beautiful eyes
- one who shows off typical mannerism
- oily impurity
- oily dionosil
- oily
- one who makes a sacrifice
- out of this world
- one who deserves
- old sweat
- one who plays on the percussion_instrument called
- ostia
- onstage
- ontario
- on spec
- on stand by