ally
adverb B2
Plain meaning
a person or country that supports another
Exam-register meaning
In exam writing, it can express a person or country that supports another in a clearer or more formal way.
In context
naturalThe system improved ally after the update.
examResources must be allocated ally if the programme is to remain sustainable.
Common collocations
act allychange allyperform ally
Watch out
Do not place “ally” randomly in the sentence; adverbs usually need a clear verb or whole-clause meaning.