Synonyms
1. IR
noun. a board of the British government that administers and collects major direct taxes.
Synonyms
- administrative body
- Inland Revenue
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2. Ir
noun. a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium.
Synonyms
- metallic element
- iridium
- metal
Example sentences of the word ir
1. Noun, singular or mass
Note that the verbs ending in er and ir have the same endings.