Definitions

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

  • adj. Lacking a backbone or spinal column; not vertebrate.
  • adj. Of or relating to invertebrates: invertebrate zoology.
  • n. An animal, such as an insect or mollusk, that lacks a backbone or spinal column.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An animal without vertebrae, i.e. backbone.
  • adj. Lacking a backbone.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Destitute of a backbone; having no vertebræ; of or pertaining to the Invertebrata.

from The Century Dictionary and Cyclopedia

  • Not vertebrate; having no backbone; specifically, of or pertaining to the Invertebrata. Also invertebral, invertebrated.
  • Figuratively, flaccid, as if from lack of a backbone; wanting strength, firmness, or consistency; weak; nerveless.
  • n. An invertebrated animal; any one of the Invertebrata.

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

  • n. any animal lacking a backbone or notochord; the term is not used as a scientific classification
  • adj. lacking a backbone or spinal column

Etymologies

Sorry, no etymologies found.

Examples

  • Nosema fungus that researchers had previously suspected, and a DNA-virus called invertebrate iridescent virus (IIV).

    Ars Technica

  • When the Army software, owned by DHS, was turned on the bee remains, it detected not only the fungus, but also a virus known as the invertebrate iridescent virus (IIV).

    TIME.com: Top Stories

  • We'll leave it up to France's budding etymologist to decide whether his maneuvering should be labeled "invertebrate" or "spineless."

    Europe's Retreat

  • To use Bruce Fein's word, let's don't be "invertebrate" about it.

    Republicans Lose When They Win

  • Puget Sound is home to the world's largest octopus, the giant Pacific octopus, which is also the world's largest invertebrate, meaning it has no bones.

    Latest Articles

  • Such ancient grassland might have 30 species of plant in a single square metre and innumerable invertebrate animals which have supported such remarkable birds as the stone curlew and many skylarks.

    Letters: Vanished landscape

  • The endemic fauna includes 115 indigenous, 24 introduced vertebrate, and 2,000 invertebrate species.

    Galápagos National Park & Galápagos Marine Resources Reserve, Ecuador

  • All these defences have kept this specimen completely untouched by summer's relentless vegetarian armies, invertebrate and mammalian, that might otherwise want to take the plant's nutrients.

    Country diary: Claxton, Norfolk

  • The pilings are covered with plumose anemones, invertebrate filter feeders.

    Field & Stream

  • This invertebrate response is of a piece with this administration's entire worldview.

    Ken Blackwell: Terrorists With Union Cards?

Wordnik is becoming a not-for-profit! Read our announcement here.

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.