English to English

adverb (r)

• quickly and without warning

  cepat dan tanpa peringatan

  Synonym:
  dead, short, suddenly
  

  source: wordnet30
• In an abrupt manner; without giving notice, or without the usual forms; suddenly.

  dalam satu secara mendadak; tanpa memberi notis, biasa atau tanpa bentuk; tiba tiba.

  source: webster1913