allynoun [ C ]uk /ˈæl.aɪ/ us /ˈæl.aɪ/
The US is one of Britain's staunchest allies.
- a staunch friend and ally
- a steadfast friend/ally
- Cuba became an ally of the Soviet Union in the 1950s.
- If the violence continues, they risk alienating one of their most powerful allies.
- NATO allies have decided to send peace-keeping troops to the troubled area.
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