hitherto

şimdiye kadar; bugüne kadar

Until now; until this time; up to this point.

• This technology has hitherto been unavailable to the public.
• Hitherto unknown documents have recently been discovered.
• The archaeological excavation revealed a hitherto unknown settlement dating back to the Bronze Age in central Anatolia.
• Quantum computing promises to solve computational problems that have hitherto remained beyond the reach of classical supercomputers.
• The treatise introduced mathematical concepts that were hitherto considered too abstract for practical engineering applications.
• Marine biologists discovered deep-sea organisms with hitherto unobserved bioluminescent patterns near hydrothermal vents in the Pacific Ocean.

Eş anlamlılar: previously, heretofore, until now, so far, thus far

Zıt anlamlılar: henceforth, hereafter