1. (adverb) used in negative statement to describe a situation that has existed up to this point or up to the present time

• as yet
• heretofore
• hitherto
• so far
• thus far
• til now
• until now
• up to now

2. (adverb) to a greater degree or extent; used with comparisons

• even
• still

3. (adverb) within an indefinite time or at an unspecified future time

• in time

4. (adverb) used after a superlative

• so far

5. (adverb) despite anything to the contrary (usually following a concession)

• all the same
• even so
• however
• nevertheless
• nonetheless
• notwithstanding
• still
• withal