Definitions
Century Dictionary and Cyclopedia
- In a sudden or unexpected manner; unexpectedly; hastily; without preparation or premeditation; quickly; immediately.
- In zoology, sharply; abruptly; squarely: as, a part suddenly truncate.
Wiktionary
WordNet 3.0
- adv. on impulse; without premeditation
- adv. happening unexpectedly
- adv. quickly and without warning
Examples
“She paled beneath the onslaught of that commanding seduction, her expression suddenly going slack.”
“Pearl Hand stiffened, her expression suddenly pinched, mouth hardening into a line.”
“Then his expression suddenly brightened, and his eyes seemed to dance in his head.”
“His expression suddenly shifted, and something dropped away.”
“Her expression suddenly grew horrified, as if she was recalling a nightmare.”
Simon & Schuster: Kresley Cole Immortals After Dark: The Clan MacRieve
“With Attorney General Holder (even the title suddenly has a more noble ring to it) now appointing”
“Maybe he perceived my anguish, for his expression suddenly softened.”
“My name suddenly became known in the “business” which was both exciting and daunting.”
Simon & Schuster: Chicken Soup for The Soul: Extraordinary Teens
“As I was driving my kids to school, a name suddenly popped into my head: a surgical equipment supplier I know.”
“Far more of the book is taken up with introducing the characters and fleshing out their backgrounds, and then the actual plot the Cylons' secret, of the title suddenly appears nearly three-quarters of the way through the book.”

blafferty Most. Overused. Word. Ever. May 11, 2011
bilby BOO!!!!! Aug 6, 2008