adverb
- until now; up to this time
Usage: formal
Examples
- The company had hitherto been very successful.
- Hitherto unknown species were discovered in the deep ocean.
- She had hitherto avoided discussing the topic.
- The technology was hitherto unavailable to consumers.
- Hitherto, no one had attempted such a dangerous climb.
- The results were better than anything achieved hitherto.