primitive
日本語WordNet
belonging to an early stage of technical development; characterized by simplicity and (often) crudeness; "the crude weapons and rude agricultural implements of early man"; "primitive movies of the 1890s"; "primitive living conditions in the Appalachian mountains"
little evolved from or characteristic of an earlier ancestral type; "archaic forms of life"; "primitive mammals"; "the okapi is a short-necked primitive cousin of the giraffe"
used of preliterate or tribal or nonindustrial societies; "primitive societies"
JMdict
AIによる解説
Relating to an early stage of development; not derived from anything else. Can describe something simple, crude, or belonging to early human societies. As a noun, refers to a person from a primitive society or a naïve artist.
ライセンス: KeyLang Original
The oldest civilizations left the most enduring legacies, inspiring the greatest admiration for achievements accomplished with primitive resources.
最古の文明は最も永続的な遺産を残し、原始的な資源で達成された成果に対する最大の賞賛を呼び起こしている。
Glaucophyceae retain primitive features of their cyanobacterial ancestors.
灰色藻綱はシアノバクテリアの祖先の原始的な特徴を保持しています。
Invagination forms the primitive gut.
陥入が原始腸を形成します。
Isogamy is considered a primitive form of sexual reproduction.
同型配偶は原始的な有性生殖の形態と考えられています。
Order Monotremata represents the most primitive living mammals.
単孔目は現生する最も原始的な哺乳類を代表している。
Pronunciation data from ipa-dict (MIT License) based on cmudict-ipa by @lingz