11-letter words starting with si
- six-pointer — a football match between two teams in similar positions in the league table, considered as being worth six points as it not only gains the winning team three points but denies three points to the losing team
- six-shooter — a revolver from which six shots can be fired without reloading.
- six-wheeler — a truck or other vehicle having six wheels.
- sixteenthly — in sixteenth place
- sixth chord — an inversion of a triad in which the second note (next above the root) is in the bass.
- sixth grade — (in the US) the sixth school year after kindergarten, usually containing pupils around 11 or 12 years old
- sixth sense — a power of perception beyond the five senses; intuition: His sixth sense warned him to be cautious.
- sixty-eight — a cardinal number, 60 plus 8.
- sixty-fifth — next after the sixty-fourth; being the ordinal number for 65.
- sixty-first — next after the sixtieth; being the ordinal number for 61.
- sixty-ninth — next after the sixty-eighth; being the ordinal number for 69.
- sixty-seven — a cardinal number, 60 plus 7.
- sixty-sixth — next after the sixty-fifth; being the ordinal number for 66.
- sixty-third — next after the sixty-second; being the ordinal number for 63.
- sixty-three — a cardinal number, 60 plus 3.