The Clue
Auntie, to dad (3 letter answer)
The Answer
SIS
Tags
Notes
The answer SIS is seen frequently, appearing about once every 70 puzzles.
Related Clues
A sib
Adele, to Fred
Adolescent nickname
Amy, to Chip
Auntie, to Mom
Bro's kin
Bro's partner
Bro's sib
Bro's sibling
Cheer syllable
Close relative
Emily, to Charlotte
Fam. member
Familial title
Family girl
One in the family, informally
Family member
Family nickname
Household nickname
Jane, to Peter
Li'l girl
Lisa, to Bart
Relative, familiarly
Reunion moniker
Sibling's nickname
Sobriquet for a sibling
Sonny's sibling
Spanish yeses
Start of a cheer
Family pet name
Girl, to her brother
Lisa, to Bart Simpson
She rhymes with miss
Sometime member of the wedding
One of a pair of fraternal twins, maybe
Definition
SIS as a noun:
1. (sister, sis) = a female person who has the same parents as another person; "my sister married a musician"
SI as a noun:
1. (Systeme International d'Unites, Systeme International, SI system, SI, International System of Units, International System) = a complete metric system of units of measurement for scientists; fundamental quantities are length (meter) and mass (kilogram) and time (second) and electric current (ampere) and temperature (kelvin) and amount of matter (mole) and luminous intensity (candela); "Today the United States is the only country in the world not totally committed to the Systeme International d'Unites"
2. (silicon, Si, atomic number 14) = a tetravalent nonmetallic element; next to oxygen it is the most abundant element in the earth's crust; occurs in clay and feldspar and granite and quartz and sand; used as a semiconductor in transistors
3. (ti, te, si) = the syllable naming the seventh (subtonic) note of any musical scale in solmization