よそ行き
Common
Noun
1
noun (common) (futsuumeishi)
going out
2
noun (common) (futsuumeishi)
one's best clothes
よそ行きの靴をはきなさい。
Put on your good shoes.
3
nouns which may take the genitive case particle 'no'
formal (e.g. language);best (behaviour, manners, etc.)
Other forms
余所行き 【よそゆき】 · 他所行き 【よそゆき】 (rarely used kanji form)