同志|どうしdoushi[1]atamadaka (head-high)

1. nounlike-mindedness; (being of the) same mind; shared sentiment
2. nouncomrade; fellow; kindred soul
   彼かれらは同志どうしである。↗

   They are in the same camp.

• Synonym同士どうしNeutralHomophone of 「同志」; mostly a suffix marking a mutual relationship, as in 「友達同士」, while 「同志」 is a noun for people who share the same aspirations.
• Related同僚どうりょうNeutralA coworker at the same workplace; 「同志」 stresses shared aspirations and ideals rather than simply working together.
• Related同類どうるいNeutralThings or people of the same kind, also one's gang or accomplices; 「同志」 stresses shared aspirations.
• Related僚友りょうゆうWrittenWritten: colleagues or comrades-in-arms; 「同志」 stresses shared aspirations and ideals.
• Related同業者どうぎょうしゃNeutralPeople in the same trade or line of business; 「同志」 stresses shared ideals, not just the same profession.
• Related同輩どうはいWrittenWritten style: people of equal standing or the same generation; 「同志」 stresses shared aspirations and ideals.
• Related同役どうやくWrittenWritten and rare: colleagues holding the same post or duty; 「同志」 stresses shared ideals.
• Related朋輩ほうばいWrittenWritten, old-fashioned: friends or fellow disciples under the same teacher; 「同志」 stresses shared aspirations.
• Related社友しゃゆうWrittenPeople who work together at the same company, also a newspaper's special contributors; 「同志」 stresses shared aspirations and ideals.
• Antonym敵てきNeutralAntonym: in the friend-or-foe sense it is the opposite of 「同志」, meaning enemy, foe or opponent.

Use 「同志」 for people bound by the same cause or ideals and striving toward a common goal. For everyday relations use 「同士」 as a suffix (「友達同士」), 「同僚」 for coworkers, and 「同業者」 for people in the same trade. 「同輩」「同役」「朋輩」「社友」「僚友」 are written or old-fashioned alternatives; the antonym is 「敵」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 志こころざしを同おなじくする仲間なかま。