anything but, in no degree or respect; not in the least:
The plans were anything but definite.
5.
anything goes, any type of conduct, dress, speech, etc., is considered acceptable or valid or is likely to be encountered and tolerated:
That resort is a place where anything goes!
Origin
before 900;Middle Englishani thing, eni thing,Old Englishǣnig thing. See any, thing1
British Dictionary definitions for anything goes
anything
/ˈɛnɪˌθɪŋ/
pronoun
1.
any object, event, action, etc, whatever: anything might happen
noun
2.
a thing of any kind: have you anything to declare?
adverb
3.
in any way: he wasn't anything like his father
4.
anything but, by no means; not in the least: she was anything but happy
5.
like anything, (intensifier; usually euphemistic): he ran like anything
Word Origin and History for anything goes
anything
n.
late Old English aniþing, from any + thing. But Old English ænig þinga apparently also meant "somehow, anyhow" (glossing Latin quoquo modo).
Idioms and Phrases with anything goes
anything goes
Everything is permitted, as in You're wearing sneakers to the office?—Why not? Anything goes these days. This idiom began life as everything goes, which appeared in George Meredith's novel The Egoist (1879). In America anything was the preferred word, which gained further currency with Cole Porter's use of the term as the title of his 1934 song and musical comedy, Anything Goes!