Related Clues:

• In days past
• Enough, in some cases
• ''I'm __ human''
• One time
• It's enough, for some
• It may never be enough
• ___-over (cursory glance)
• Word before a discounted price, perhaps
• Word after ''Exit''
• The ''O'' in SRO
• ''__ upon a time . . .''
• "This is __ a test"
• ''Measure twice, cut ___''
• See 24 Across
• Word on a left-turn sign, often