say it: uh-TAHY-ur
attire is a noun and verb meaning "clothing of a distinctive style or for a particular occasion". It carries 2 recorded senses.
put on special clothes to appear particularly appealing and attractive
“She never dresses up, even when she goes to the opera”
“The young girls were all fancied up for the party”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for attire come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.