Synonyms and Antonyms of hitherto
up to this or that time <at the talent show Kyle revealed his hitherto unknown gift for doing impressions> Synonyms heretofore, theretofore, yet Related Words before, formerly, previously Phrases so far, thus far Near Antonyms afterward (or afterwards), later, subsequently; hereupon, thereupon Antonyms henceforth, henceforward, hereafter, thenceforth, thenceforward (also thenceforwards), thereafter
Seen and Heard
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