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ENGLISH · A WORD WITH POSSIBILITIES

thyroid.

Of, relating to, or being the thyroid cartilage.

7 characters2 syllables approx.English language

Meaning & usage

adj/ˈθaɪ.ɹɔɪd/

  1. Of, relating to, or being the thyroid cartilage.

    not-comparable

  2. Of, relating to, or being the thyroid gland.

    not-comparable

  3. Of, relating to, or being the thyroid gland. Suggestive of a disordered thyroid gland.

    not-comparable
    a thyroid personality

  4. Shield-shaped; peltiform.

    not-comparable
Where this word comes from

Etymology tree Proto-Indo-European *dʰwer-der. Proto-Hellenic *tʰurā Ancient Greek θῠ́ρᾱ (thŭ́rā) Ancient Greek -εος (-eos) Ancient Greek θῠρεός (thŭreós) Proto-Indo-European *weyd- Proto-Indo-European *-os Proto-Indo-European *wéydos Proto-Hellenic *wéidos Ancient Greek εἶδος (eîdos) Proto-Indo-European *-os Proto-Indo-European *-ēs Proto-Hellenic *-ēs Ancient Greek -ης (-ēs) Ancient Greek -ειδής (-eidḗs) Ancient Greek θῠρεοειδής (thŭreoeidḗs)bor. New Latin thyreoīdēsbor. English thyroid Borrowed from New Latin thyreoīdēs, from Ancient Greek θῠρεοειδής (thŭreoeidḗs, “shield-shaped”), from θῠρεός (thŭreós, “an oblong shield”) + -ειδής (-eidḗs, “-form, -like”).

noun/ˈθaɪ.ɹɔɪd/

  1. Ellipsis of thyroid cartilage.

    abbreviation · alt-of · ellipsis

  2. Ellipsis of thyroid gland.

    abbreviation · alt-of · ellipsis

  3. Ellipsis of thyroid gland. An extract prepared from the thyroid gland of animals and used in treating deficiency of thyroid hormones.

Where this word comes from

Etymology tree Proto-Indo-European *dʰwer-der. Proto-Hellenic *tʰurā Ancient Greek θῠ́ρᾱ (thŭ́rā) Ancient Greek -εος (-eos) Ancient Greek θῠρεός (thŭreós) Proto-Indo-European *weyd- Proto-Indo-European *-os Proto-Indo-European *wéydos Proto-Hellenic *wéidos Ancient Greek εἶδος (eîdos) Proto-Indo-European *-os Proto-Indo-European *-ēs Proto-Hellenic *-ēs Ancient Greek -ης (-ēs) Ancient Greek -ειδής (-eidḗs) Ancient Greek θῠρεοειδής (thŭreoeidḗs)bor. New Latin thyreoīdēsbor. English thyroid Borrowed from New Latin thyreoīdēs, from Ancient Greek θῠρεοειδής (thŭreoeidḗs, “shield-shaped”), from θῠρεός (thŭreós, “an oblong shield”) + -ειδής (-eidḗs, “-form, -like”).

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Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.