| situation |
state of affairs; circumstances. |
| sit-up |
an exercise for the stomach muscles. To do a sit-up, a person lies flat on the back and sits up without bending the legs or using the arms. |
| six |
the word for the Arabic numeral 6 and for the Roman numeral VI. [3 definitions] |
| sixteen |
the word for the Arabic numeral 16 and for the Roman numeral XVI. [3 definitions] |
| sixteenth |
coming next after the fifteenth in a series. [3 definitions] |
| sixth |
coming next after the fifth in a series. [3 definitions] |
| sixtieth |
coming next after the fifty-ninth in a series. [3 definitions] |
| sixty |
the number that is equal to six times ten; 60. [2 definitions] |
| sizable |
of large size or quantity; big. |
| size1 |
the physical dimensions of anything. [3 definitions] |
| sizzle |
to make the hissing or crackling sound of frying fat or oils. |
| skate1 |
a shoe with either a blade or a set of small wheels attached to the bottom. Skates are used to move on ice or other hard surfaces. [2 definitions] |
| skate2 |
a kind of fish that has a skeleton of cartilage, a flat body, fins that look like wings, and a pointed snout. Skates live along the western coast of the United States. |
| skateboard |
a flat, short, narrow board that has four wheels on the bottom. People stand to ride on a skateboard. |
| skein |
a length of yarn or thread wound in a long, loose loop before it is knitted or woven. |
| skeleton |
the inner framework of bones and cartilage in vertebrate animals. Skeletons support the body and protect softer body parts. [2 definitions] |
| skeptical |
having or showing doubt; questioning. |
| sketch |
a drawing or painting that was done in a hurry or without detail. Sketches are sometimes done to prepare for later work. [5 definitions] |
| sketchy |
giving only outlines or major points; like a sketch. [2 definitions] |
| ski |
one of a pair of long, narrow, smooth runners. Skis have curved front tips and are attached to boots and used to glide over snow. [3 definitions] |
| skid |
a sudden, sideways sliding of a vehicle. [2 definitions] |