asteroid

Fetched 2026-10-28 (live).

Synonyms: steroid, astroid, asterid, hysteroid, asterix, astrid, wasteoid, aneroid, osteoid, asterope, bacteroid

Antonyms: steroid, astroid, asterid, hysteroid, asterix, astrid, wasteoid, aneroid, osteoid, asterope, bacteroid

Related words from Datamuse; suggestions, not definitions.

Noun

1. A naturally occurring solid object, which is smaller than a planet and a dwarf planet, larger than a meteoroid and not a comet, that orbits a star and often has an irregular shape.
2. In the Solar System, such a body that orbits within the orbit of Jupiter.

Noun

1. Any member of the taxonomic class Asteroidea; a starfish.

Source: Wiktionary · CC BY-SA 3.0 (Wiktionary) · cached copy, not a rewrite.