reversal
re‧vers‧al AC /rɪˈvɜːsəl $ -ɜːr-/
noun1. [uncountable and countable] a change to an opposite arrangement, process, or way of doing something ⇨ turnaround
reversal of/in
a sudden reversal of government policy
dramatic/sudden/complete reversal
a dramatic reversal in population decline
Some Internet firms have suffered a painful reversal of fortune (=they were successful but now they are not).
Some carers and dependants find it difficult to adapt to a role reversal.
2. [countable] a failure or other problem that prevents you from being able to do what you want:
In spite of setbacks and reversals, his business was at last making money.
re‧vers‧al AC /rɪˈvɜːsəl $ -ɜːr-/
noun1. [uncountable and countable] a change to an opposite arrangement, process, or way of doing something ⇨ turnaroundreversal of/in
dramatic/sudden/complete reversal
2. [countable] a failure or other problem that prevents you from being able to do what you want: