1noun
a female person who has the same parents as another person
“my sister married a musician”
01 Word definition
sis
3 letters · 1 vowel · 2 consonants
Is SIS a word?
Yes. SIS is a 3-letter noun. a female person who has the same parents as another person Check the official dictionary for your particular word game before playing it.
Correct spelling
S-I-SHow do you spell SIS?
SIS contains 3 letters, begins with S, and ends with S.
Check another spelling →Meaning and definition
Synonyms
Source: Open English WordNet 2025 (CC BY 4.0) ↗sister
02 Letter breakdown
How is SIS spelled?
S1I2S3
03 Word-game status
Can you play SIS?
UnscramblerHQ dictionary
This spelling is present in our broad English solver dictionary.
Scrabble
Base tile value: 3 points. Confirm eligibility in the official word list used for your region and edition.
Words With Friends
Base tile value: 3 points. Confirm eligibility inside the current game dictionary.
FAQ Quick answers
About SIS.
How do you spell SIS?
SIS is spelled S-I-S. It contains 3 letters.