Definition of -oid in English:

-oid

suffix

Forming adjectives and nouns:
1 Zoology Denoting an animal belonging to a higher taxon with a name ending in -oidea: hominoid percoid
2Denoting form or resemblance: asteroid rhomboid

Origin

from modern Latin -oides, from Greek -oeidēs; related to eidos 'form'.

Derivatives

-oidal

suffix

-oidally

suffix

Definition of -oid in:

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Word of the day jaunty
Pronunciation: ˈdʒɔːnti
adjective
having a lively, cheerful, and self-confident manner...