Collins English-Spanish Dictionary: English Words Starting With “O”
- O ... obdurate
- obdurately ... obliterate
- obliteration ... obsolescent
- obsolete ... occlusion
- occlusive ... octet
- October ... oenology
- oenophile ... off-chance
- off-colour ... office
- office automation ... offspring
- offstage ... oil platform
- oil pollution ... old flame
- old folks' home ... olive branch
- olive green ... on a high note
- on a large scale ... on past performance, an England victory seems unlikely
- on payment of £5 ... on the spur of the moment
- on the strength of that success she applied for promotion ... one after the other
- one and all ... one-man band
- one-man exhibition ... only later
- only more so ... open day
- open fire ... opening bowler
- opening date ... opinion former
- opinion poll ... optimist
- optimistic ... orbital
- orbiter ... ordure
- ore ... original sin
- originality ... osier
- osier bed ... ottoman
- OU ... (out) at sea
- (out) in the open ... outflank
- outflow ... outrageous
- outrageously ... outweigh
- outwit ... overate
- overawe ... overdue
- overeat ... overhead light
- overhead locker ... overproduction
- overprotect ... overstrict
- overstrike ... owe
- owing ... oxygenation
- oxymoron ... ozonosphere
