0 a violent escape, especially by a group, from prison: --
1 used to describe someone or something that suddenly becomes very well known or successful in a particular type of activity, or an achievement that helps them do this: --
2 used in connection with smaller groups that separate from a meeting to discuss a particular issue, before returning to the main meeting: --
3 an increase, especially a sudden one: --
4 → breakdown --
5 very successful, especially when compared to something else: --
They described 2008 as a breakout year for European technology firms.
Active cleansers are more suitable for oily skins to prevent breakouts.
The sailor was ill immediately after break-out but decided to carry on.
The authorities had expected violence to break-out and had supplied contingents of mounted and foot police as well as war ships.
There were 5,000 incredible musicians there, yet they chose us as the break-out band.
One break-out above the previous highest high or ceiling of a trading range is termed a higher high.
The streak camera that is used for detection of the shock breakout signal has temporal and spatial resolutions of ;5 ps and 100 mm, respectively.
The break-out and river crossings were accomplished promptly.
There are also 13 break-out rooms which can be reserved by students or classes.