a big unknown

Examples (10)

• The long-term effect of the policy remains a big unknown.
• We are venturing into a big unknown with this new technology.
• The reaction of the voters is the big unknown in this election.
• For many graduates, the job market is a big unknown.
• The final cost of the renovation is still a big unknown.
• How the team will perform under pressure is a big unknown.
• She described her future as a terrifying big unknown.
• The impact of the virus on the economy is a big unknown.
• Going to Mars represents a big unknown for humanity.
• The duration of the repair work is a big unknown.