See more synonyms for infuse on
verb (used with object), in·fused, in·fus·ing.
  1. to introduce, as if by pouring; cause to penetrate; instill (usually followed by into): The energetic new principal infused new life into the school.
  2. to imbue or inspire (usually followed by with): The new coach infused the team with enthusiasm.
  3. to steep or soak (leaves, bark, roots, etc.) in a liquid so as to extract the soluble properties or ingredients.
  4. Obsolete. to pour in.
verb (used without object), in·fused, in·fus·ing.
  1. to undergo infusion; become infused: Leave the solution to infuse overnight.

Origin of infuse

1375–1425; late Middle English < Latin infūsus past participle of infundere to pour into. See in-2, fuse2
Related formsin·fus·er, nounre·in·fuse, verb (used with object), re·in·fused, re·in·fus··per·in·fuse, verb (used with object), su·per·in·fused, su·per·in·fus·ing.un·in·fused, adjectiveun·in·fus·ing, adjective

Synonyms for infuse

See more synonyms for on Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for infuser

infuser, steeper

British Dictionary definitions for infuser


  1. any device used to make an infusion, esp a tea maker


  1. (tr often foll by into) to instil or inculcate
  2. (tr foll by with) to inspire; emotionally charge
  3. to soak or be soaked in order to extract flavour or other properties
  4. rare (foll by into) to pour

Word Origin for infuse

C15: from Latin infundere to pour into
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for infuser



early 15c., "to pour in, introduce, soak," from Latin infusus, past participle of infundere "to pour into," from in- "in" (see in- (2)) + fundere "pour, spread" (see found (v.2)). Figurative sense of "instill, inspire" first recorded 1520s (infusion in this sense dates from mid-15c.). Related: Infused; infusing.

Online Etymology Dictionary, © 2010 Douglas Harper

infuser in Medicine


  1. To steep or soak without boiling in order to extract soluble elements or active principles.
  2. To introduce a solution into the body through a vein for therapeutic purposes.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.