Flightless bird
Flightless bird noun - Flightless birds having flat breastbones lacking a keel for attachment of flight muscles: ostriches; cassowaries; emus; moas; rheas; kiwis; elephant birds.
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Synonyms for Flightless bird
Ostrich and flightless bird are semantically related. In some cases you can replace term "Ostrich" with "Flightless bird", this terms are similar.
Ostrich
Ostrich noun - Fast-running African flightless bird with two-toed feet; largest living bird.
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Synonyms for Ostrich
Flightless bird and ostrich are semantically related. Sometimes you can use "Flightless bird" instead a noun "Ostrich".
Mutual synonyms
Both terms in one sentence
- Goseiger also has an ostrich or some other flightless bird.
Source: Seldom-Seen Species
Cite this Source
Ostrich and Flightless bird. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/flightless_bird/ostrich
Flightless bird & Ostrich. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/flightless_bird/ostrich>.
Ostrich or Flightless bird. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/flightless_bird/ostrich.
Google Ngram Viewer shows how "flightless bird" and "ostrich" have occurred on timeline