nouninformal British in singular
A short period of time.‘hang on a mo!’little while, short time, bit, minute, second, instant, split second
Late 19th century abbreviation of moment.
The chemical element molybdenum.
The way a particular person tends to do things.‘his MO isn't prescribing the solution but sparking more questions’‘Connor can't figure out the killer's MO’
- ‘Balderson's MO was creating competitive teams on low payrolls.’
- ‘That is not the Ray's MO at all.’
- ‘He will say insulting things because that's kinda been his MO.’
- ‘A team which plays offensively as the Yanks do may find it tough to change their MO during playoff time.’
- ‘His MO is to stop crimes before they occur.’
- ‘Their MO is to provoke, then make you feel you have no reason to react - and it's all your fault to begin with!’
- ‘Notice his MO - laugh at the question, demean the questioner, shout invective, back his position with " I have studied", and then shut it down without providing any evidence from his extensive research.’
- ‘Anyway my MO for dealing with illness is to take time off immediately and for a day longer than I think I need it.’
- ‘His behavior with court officials indicates his MO: threats and intimidation if he doesn't get his way.’
- ‘Making dumb jokes when my friends need sympathy/listening/understanding is pretty much my MO.’
1950s abbreviation of modus operandi.
(of a disk or disk drive) magneto-optical.
2Medical Officer.‘that looks nasty—better go and see the MO’
3Missouri (in official postal use).