adverb
1.
Synonyms: short 1, abruptly, asudden, forthwith, sudden
2.
Synonyms: unawares , aback, short, sudden, unanticipatedly, unaware, unawaredly, unexpectedly
Idioms: of ( or on) a sudden, on the sudden
SUDDENLY
Meaning of SUDDENLY in English
Merriam Webster. Collegiate thesaurus English vocabulary. Английский энциклопедический словарь тезаурус. 2003