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

  • transitive v. To cover completely in a liquid; submerge.
  • transitive v. To baptize by submerging in water.
  • transitive v. To engage wholly or deeply; absorb: scholars who immerse themselves in their subjects.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To put under the surface of a liquid; to dunk.
  • v. To involve deeply

from the GNU version of the Collaborative International Dictionary of English

  • adj. Immersed; buried; hid; sunk.
  • transitive v. To plunge into anything that surrounds or covers, especially into a fluid; to dip; to sink; to bury; to immerge.
  • transitive v. To baptize by immersion.
  • transitive v. To engage deeply; to engross the attention of; to involve; to overhelm.

from The Century Dictionary and Cyclopedia

  • To plunge into anything, especially a fluid; sink; dip.
  • Specifically, to baptize by immersion.
  • Figuratively, to plunge into, as a state, occupation, interest, etc.; involve deeply: as, to immerse one's self in business.
  • Immersed; buried; covered; deeply sunk.

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

  • v. thrust or throw into
  • v. cause to be immersed
  • v. enclose or envelop completely, as if by swallowing
  • v. devote (oneself) fully to


From Middle English immersed, embedded deeply, from Latin immersus, past participle of immergere, to immerse : in-, in; see in-2 + mergere, to dip.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin immersus, from immergō, from in + mergō. (Wiktionary)



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  • “In the destructive element immerse!�?
    - Joseph Conrad, "Lord Jim"

    November 18, 2007