from The American Heritage® Dictionary of the English Language, 4th Edition

  • adv. At once.
  • adv. With insistence; urgently.
  • conj. Chiefly British As soon as.

from the GNU version of the Collaborative International Dictionary of English

  • adv. Without the least delay or interval; at once; immediately.
  • adv. With urgency or importunity; earnestly; pressingly.

from The Century Dictionary and Cyclopedia

  • At the same time; simultaneously.
  • Immediately after; without any intervening time: as, to be instantly killed.
  • With urgency; insistently; earnestly; assiduously.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adv. without any delay
  • adv. without delay or hesitation; with no time intervening


from Wiktionary, Creative Commons Attribution/Share-Alike License

From instant +‎ -ly.



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