Browse entries from New English-Irish Gaelic Dictionary
- O...o'clock
- oaf...obligation
- obligatory...obstetrician
- obstetrics...oceanographer
- oceanographic...off air
- off balance...officially
- officiate...oil tank
- oil tanker...old-timer
- old-world...on-the-job
- on-the-spot...onyx
- ooh...operate
- operatic...opposite prompt
- opposite sex...opus
- or...order of magnitude
- order of service...organiser
- organising...oscillate
- oscillation...out-of-date
- out-of-doors...outlast
- outlaw...outvote
- outward...overburdened
- overcast...overgrown
- overgrowth...overprotective
- overqualified...overtake
- overtaking...oxidation
- oxide...ozone-friendly