Word.ws English Dictionary

lethargus

lethargus noun: a quiescent sleeplike state in some arthropods and nematodes.

Noun

lethargus (uncountable)

  1. A quiescent sleeplike state in some arthropods and nematodes.

Origin of lethargus

Borrowed from Latin lethargus (“lethargy”).

Questions about lethargus

What does lethargus mean?
Lethargus means a quiescent sleeplike state in some arthropods and nematodes.
What part of speech is lethargus?
Lethargus is a noun.

Words near lethargus in the dictionary

  1. lethargize
  2. lethargized
  3. lethargizes
  4. lethargizing
  5. lethargogenic
  6. lethargus
  7. lethargy
  8. Lethbridge
  9. Lethbridge County
  10. Lethbridge Park
  11. lethe

Source and license

Adapted from Wiktionary: lethargus (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “lethargus.” Word.ws, https://word.ws/lethargus. Based on Wiktionary, CC BY-SA 4.0.