How do you sign “Sister” in ASL?
SISTER: SISTER in American Sign Language (ASL) names a female sibling. The video and animated demonstration below show the sign.


Where does SISTER come up in conversation?
SISTER works beside BROTHER in the sibling questions every student practices. It appears in introductions, family stories, and photos passed around a table. Kinship vocabulary is among the most personal a learner acquires, and this sign is close to its center.
It arrives in Lesson 25, the family lesson of Book 1.
📖 SISTER is taught in Lesson 25 of ASL 101: Starting Out — Book 1 of the 216-Day Challenge →

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