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without a backbone; without strength of character: She’s an invertebrate who will lie about anything to stay out of trouble.
Not to be confused with:
inveterate – firmly established by long continuance, as a disease; chronic; settled or confirmed in a habit, practice, or feeling: He’s an inveterate runner.
1. Lacking a backbone or spinal column; not vertebrate.
2. Of or relating to invertebrates: invertebrate zoology.
An animal, such as an insect or mollusk, that lacks a backbone or spinal column.
(Zoology) any animal lacking a backbone, including all species not classified as vertebrates
(Zoology) of, relating to, or designating invertebrates
in•ver•te•brate(ɪnˈvɜr tə brɪt, -ˌbreɪt)
a. without a backbone or spinal column; not vertebrate.
b. of or pertaining to creatures without a backbone.
2. without strength of character.n.
3. an invertebrate animal.
4. a person who lacks strength of character.
[1820–30; < New Latin]
in•ver′te•bra•cy (-brə si) in•ver′te•brate•ness, n.
Having no backbone or spinal column.
An animal, such as a coral, insect, or worm, that has no backbone. Most animals are invertebrates.
An animal without a backbone, e.g. an earthworm, or locust.
Switch to new thesaurus
|Noun||1.||invertebrate - any animal lacking a backbone or notochord; the term is not used as a scientific classification|
animal, animate being, beast, creature, fauna, brute - a living organism characterized by voluntary movement
arthropod - invertebrate having jointed limbs and a segmented body with an exoskeleton made of chitin
zoophyte - any of various invertebrate animals resembling a plant such as a sea anemone or coral or sponge
parazoan, poriferan, sponge - primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies
cnidarian, coelenterate - radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures; they occur in polyp and medusa forms
comb jelly, ctenophore - biradially symmetrical hermaphroditic solitary marine animals resembling jellyfishes having for locomotion eight rows of cilia arranged like teeth in a comb
worm - any of numerous relatively small elongated soft-bodied animals especially of the phyla Annelida and Chaetognatha and Nematoda and Nemertea and Platyhelminthes; also many insect larvae
rotifer - minute aquatic multicellular organisms having a ciliated wheel-like organ for feeding and locomotion; constituents of freshwater plankton
mollusc, mollusk, shellfish - invertebrate having a soft unsegmented body usually enclosed in a shell
phoronid - hermaphrodite wormlike animal living in mud of the sea bottom
bryozoan, moss animal, polyzoan, sea mat, sea moss - sessile aquatic animal forming mossy colonies of small polyps each having a curved or circular ridge bearing tentacles; attach to stones or seaweed and reproduce by budding
ectoproct - sessile mossy aquatic animal having the anus of the polyp outside the crown of tentacles
entoproct - any of various moss-like aquatic animals usually forming branching colonies; each polyp having a both mouth and anus within a closed ring of tentacles
Symbion pandora - only known species of Cycliophora; lives symbiotically attached to a lobster's lip by an adhesive disk and feeding by means of a hairy mouth ring; its complex life cycle includes asexual and sexual phases
brachiopod, lamp shell, lampshell - marine animal with bivalve shell having a pair of arms bearing tentacles for capturing food; found worldwide
peanut worm, sipunculid - small unsegmented marine worm that when disturbed retracts its anterior portion into the body giving the appearance of a peanut
echinoderm - marine invertebrates with tube feet and five-part radially symmetrical bodies
peristome - region around the mouth in various invertebrates
exoskeleton - the exterior protective or supporting structure or shell of many animals (especially invertebrates) including bony or horny parts such as nails or scales or hoofs
|Adj.||1.||invertebrate - lacking a backbone or spinal column; "worms are an example of invertebrate animals"|
vertebrate - having a backbone or spinal column; "fishes and amphibians and reptiles and birds and mammals are verbetrate animals"
noun see crustaceans, snails, slugs and other gastropods, spiders and other arachnids
Types of invertebrates amoeba or (U.S.) ameba, animalcule or animalculum, arrowworm, arthropod, bivalve, bladder worm, box jellyfish or (Austral.) sea wasp, brachiopod or lamp shell, brandling, bryozoan or (colloquial) sea mat, catworm, white worm, or white cat, centipede, chicken louse, chiton or coat-of-mail shell, clam, clappy-doo or clabby-doo (Scot.), cockle, cone (shell), coral, crown-of-thorns, ctenophore or comb jelly, cuttlefish or cuttle, daphnia, earthworm, eelworm, gaper, gapeworm, gastropod, Guinea worm, horseleech, jellyfish, lancelet or amphioxus, leech, liver fluke, lugworm, lug, or lobworm, lungworm, millipede, millepede, or milleped, mollusc, mussel, octopus or devilfish, otter shell, oyster, paddle worm, paper nautilus, nautilus, or argonaut, pearly nautilus, nautilus, or chambered nautilus, piddock, Portuguese man-of-war, quahog, hard-shell clam, hard-shell, or round clam, ragworm or (U.S.) clamworm, razor-shell or (U.S.) razor clam, red coral or precious coral, roundworm, sandworm, scallop, sea anemone, sea cucumber, sea lily, sea mouse, sea pen, sea slater, sea squirt, sea urchin, seed oyster, soft-shell (clam), sponge, squid, starfish, stomach worm, stony coral, sunstar, tapeworm, tardigrade or water bear, tellin, teredo or shipworm, trepang or bêche-de-mer, tube worm, tubifex, tusk shell or tooth shell, Venus's flower basket, Venus's-girdle, Venus shell, vinegar eel, vinegar worm, or eelworm, water louse or water slater, water measurer, water stick insect, wheatworm, whipworm, woodborer, worm
Extinct invertebrates ammonite, belemnite, eurypterid, graptolite, trilobite
لا فقاري، عديم الفِقار
A. ADJ → invertebrado
B. N → invertebrado/a m/f
invertebrate[ɪnˈvɜːtɪbrɪt] n & adj → invertebrato/a
invertebrate(inˈvəːtibrət) adjective, noun
(an animal eg a worm or insect) not having a backbone. ongewerweldes لا فقاري، عديم الفِقار безгръбначен invertebrado bezobratlý wirbellos hvirvelløst dyr ασπόνδυλοςinvertebrado selgrootu بی مهره selkärangaton invertébré חֲסַר חוּלִיוֹת रीढ विहीन beskralježnjak gerinctelen tak bertulang belakang hrygglaus invertebrato 脊椎のない 등뼈가 없는 bestuburis (gyvūnas) bezmugurkaulnieks; bezmugurkaulains tidak bertulang belakang ongewerveldvirvelløs bezkręgowy, bezkręgowiec هغه ژوى چې د ملا تير و نلرى invertebrado nevertebrat беспозвоночное bezstavcový brez vretenc; brezvretenčar beskičmenjak invertebrat, ryggradslöst djur ที่ไม่มีกระดูกสันหลัง omurgasız (canlı) 無脊椎的(動物) безхребетний اغیر ریڑھ کی ہڈی والا، غیر فقاری không xương sống 无脊椎的（动物）