effusive

From the stem of Latin effundēre +‎ -ive, from ex- (“out of”) +‎ fundō (“pour”), 1660s.[1]

• IPA^(key): /ɪˈfjuːsɪv/

effusive (comparative more effusive, superlative most effusive)

1. Gushy; unrestrained, extravagant or excessive (in emotional expression).
   • 1997, David Foster Wallace, “A Supposedly Fun Thing I'll Never Do Again”, in A Supposedly Fun Thing I'll Never Do Again, Kindle edition, Little, Brown Book Group:

     All week I’ve found myself doing everything I can to distance myself in the crew’s eyes from the bovine herd I’m part of, to somehow unimplicate myself: I eschew cameras and sunglasses and pastel Caribbeanwear; I make a big deal of carrying my own cafeteria tray and am effusive in my thanks for the slightest service.

2. (archaic) Pouring, spilling out freely; overflowing.
   • Alexander Pope

     washed with the effusive wave

3. (geology, of igneous rock) Extrusive; having solidified after being poured out as molten lava.

• effusively
• effusiveness

effusive

1. feminine plural of effusivo