so far
• to a certain limited extent.
• "jabs and pills can protect you only so far"
• (of a trend that seems likely to continue) up to this time.
• "diplomatic activity so far has failed"
Similar:
until now,
up till/to now,
up to this point,
as yet,
thus far,
hitherto,
up to the present,
until/till the present,
to date,
by this time,
heretofore,
thitherto,
