[liambigelow]

We source the definitions from Wiktionary, but have a much higher bar for words to count as valid in the game. ST comes up often, as I agree it's one of the iffier words, but even Cambridge claims to to be so: https://dictionary.cambridge.org/dictionary/english/st

[card_zero]

That page only defines it as an abbreviation (for saint, short ton, street, or stone).

[liambigelow]

Ah, 2am reading comprehension on my part. Yes, if we ever remove rather than add to the dictionary in the future I might look to axe it.

[xpe]

Yes, please ax "st".