This is why education reform is such a highpriority.
Times, Sunday Times (2011)
Basic times tables will also be given a higherpriority.
Times, Sunday Times (2013)
Tackling stress in the workplace should therefore be a highpriority.
Times, Sunday Times (2013)
Definition of 'priority'
priority
(praɪɒrɪti, US -ɔːr-)Explore 'priority' in the dictionary
countable noun
If something is a priority, it is the most important thing you have to do or deal with, or must be done or dealt with before everything else you have to do.
Definition of 'high'
high
(haɪ)Explore 'high' in the dictionary
adjective
You can use high to indicate that something is great in amount, degree, or intensity.