one-off
/wʌnˈɒf
/informal, chiefly British
adjective
Done, made, or happening only once: a one-off benefit show...
- If what happened in Wales were to happen in England, then, whatever Labour may say now, 7 million homes in England would face big one-off jumps in council tax.
- The department said it was still too early to say if the improvement in the public finances would continue as some of the increase in tax revenues were from one-off items.
- Qantas made A $256 million after tax and before one-off items in the six months to December 31.
noun
1Something done, made, or happening only once: the meeting is a one-off...
- I feel hustle and bustle may be enough to inflict damage in the group stage but once the games become one-offs and we have to go the extra mile to carve out victories I feel we will be once again found lacking.
- It's a cup game and they are always one-offs so anything could happen.
- Hopefully it is not a one-off because it happens to be World Environment Day.
1.1A unique or remarkable person: he’s a one-off, no one else has his skills...
- The first thing to say about Rice is that he is a one-off, a unique talent, and he does things his way.
- I can't understand that mindset, but I also wonder if Jonny is simply a one-off.
- ‘No-one should think Roy is a one-off in wanting to speak his mind and stand up,’ the Celtic manager pointed out.