adjective not expected or anticipated
The unexpected results of the experiment challenged existing theories.
The unexpected plot twist left readers in shock.
The unexpected reaction from the patient required further analysis.
The unexpected software glitch caused delays in the project.
The unexpected increase in sales was a pleasant surprise for the company.
The unexpected use of colors created a striking visual impact in the painting.
The unexpected twist in the plot kept readers engaged until the end.
The patient's unexpected reaction to the treatment required a change in approach.
The unexpected market volatility caused a shift in investment strategies.
The unexpected bug in the code led to delays in the project timeline.
The unexpected negative feedback from customers prompted a reassessment of the advertising campaign.