| speculation |
the act or process of thinking, wondering, or guessing about something. [4 definitions] |
| speculative |
of, pertaining to, or based on conjecture or theorizing. [4 definitions] |
| speculator |
one that engages in financial speculations. [2 definitions] |
| speculum |
a medical instrument that can be opened after insertion, used to dilate a passage or cavity so that it can be examined. [3 definitions] |
| sped |
a past tense and past participle of speed. |
| speech |
the faculty of communicating by speaking, or the act of speaking. [7 definitions] |
| speech clinic |
a facility where people with speech defects are treated. |
| speechify |
to make a speech, esp. one that is too long or too obviously a harangue. |
| speechless |
unable to speak because of exhaustion, surprise, astonishment, or great emotion. [2 definitions] |
| speech therapy |
treatment of speech and language disorders of either physical or cognitive origins. |
| speed |
the act of moving or ability to move rapidly or swiftly; quickness; swiftness. [11 definitions] |
| speedball |
(slang) a mixture of cocaine and heroin or morphine, usu. injected. [2 definitions] |
| speedboat |
a high-speed motorboat. |
| speed bump |
a raised concrete or asphalt ridge, as in a parking lot, to discourage speeding. |
| speed limit |
the highest legal driving speed in a state or region, or on a particular road or portion of a road. |
| speedometer |
an instrument that measures the speed of a moving vehicle. [2 definitions] |
| speed skate |
an ice skate with a particularly long blade, used in racing. [2 definitions] |
| speed skating |
a competitive ice-skating sport, in which skaters wear speed skates and race, usu. around an oval track. |
| speedster |
(informal) a very fast driver or vehicle; speeder. [2 definitions] |
| speed trap |
a stretch of road where police officers and radar devices are concealed in order to catch speeders. |
| speed-up |
an increase in speed; acceleration. [2 definitions] |