He came to my house unexpectedly
He had arrived unexpectedly and they were delighted to see him.
"He arrived unheralded" - it means unexpectedly.
I was very happy when my brother came to visit unexpectedly this weekend.
He had no illness, so Harvey's death came unexpectedly. Unexpectedly, the couch exploded. It was an unexpectedly brief encounter. Unexpectedly, the monkey counted the beans correctly.
He took a week off when his mother died unexpectedly last year.
When two more guests unexpectedly arrived to the dinner party we had to reapportion the prepared food.
The star of Bar Rescue television series decided to drop in unexpectedly on the bar he helped.We wanted to drop in unexpectedly on my sister as a surprise. The Child Protective worker hoped to drop in unexpectedly on the foster home to check on the care.
Example sentence - We unexpectedly found an arrowhead in the wheat field.
Fred unexpectedly blurted out our intentions to hold a surprise party.
She showed a great deal of disdain for him when she hung up the phone unexpectedly.
Unexpectedly is an adverb.
The company experienced a resurgent growth in sales after implementing a new marketing strategy.