-oid

Learned borrowing from Latin -oīdēs, from Ancient Greek -ο-ειδής (-o-eidḗs) (the ο being the last vowel of the stem to which the suffix is attached); from εἶδος (eîdos, “form, likeness”).

• (UK, US, Canada) IPA^(key): /-ɔɪd/
• (General Australian) IPA^(key): /-oɪd/

-oid

1. Resembling; having the likeness of (usually including the concept of not being the same despite the likeness, but counterexamples exist).

   ‎human + ‎-oid → ‎humanoid

   ‎sterol + ‎-oid → ‎steroid

2. (less commonly) Of, pertaining to, or related to.

   ‎lympho- + ‎-oid → ‎lymphoid

   ‎myelo- + ‎-oid → ‎myeloid

4. Added to nouns to create derogatory terms, typically referring to a particular ideology or group of people.

   ‎waste + ‎-oid → ‎wastoid

   ‎west + ‎-oid → ‎westoid

   ‎left + ‎-oid → ‎leftoid

   ‎right + ‎-oid → ‎rightoid

6. (category theory) Added typically to the name of an algebraic structure, to denote the horizontal categorification of that structure.

   ‎group + ‎-oid → ‎groupoid

   ‎ring + ‎-oid → ‎ringoid

   ‎Lie algebra + ‎-oid → ‎Lie algebroid

   ‎monoid + ‎-oid → ‎monoidoid

• “-oid” may be suffixed to nouns and adjectives to form nouns and adjectives.

• (resembling): quasi-, para-, -form/-iform, -esque, -ish, -ly, -some, -y, (restricted to casual registers) -ass, (forms adjectives from nouns only) -like

• -iod-, DIO, DOI, I do, IOD, Ido, ODI, iod-

• -oide, -oides (sometimes for substantives)
• -id

Borrowed from Latin -oīdēs, from Ancient Greek -οειδής (-oeidḗs), from εἶδος (eîdos).

• Audio:

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• Audio:

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-oid

1. -oid (adjective or substantive)

• The gender of nouns in -oid often is the same as the one from the basic word: Asteroid is masculine like ἀστήρ (astḗr) and also like Stern, Metalloid is neuter like metallum and Metall. However, Ellipsoid is neuter while ellipsis and Ellipse are feminine, yet Ellipsoide is feminine too.
• Common declensions of substantives are:

  genitive singular -en, nominative plural -en, gender m. (e.g. Android, Asteroid, Meteoroid)

  genitive singular -[e]s, nominative plural -e, gender n. (e.g. Alkaloid, Metalloid)

• -ähnlich, -artig, -förmig, -oidisch (adjectives)

See also:

Derived from Ancient Greek -ειδής (-eidḗs).

• IPA^(key): /ˈɔ.it/
• Rhymes: -ɔit
• Syllabification: [please specify syllabification manually]

-oid m

1. -oid

   ‎bakteria + ‎-oid → ‎bakteroid

or

• -oid in Polish dictionaries at PWN