ul·tra 
(ŭltrə)
(ŭltrə)adj.
Immoderately adhering to a belief, fashion, or course of action; extreme.
n.
An extremist.
[French, from Latin ultrā-, ultra-.]
- sleeping car
- sleeping pill
- sleeping porch
- sleeping sickness
- sleep-learning
- sleepless
- sleeplessly
- sleeplessness
- sleep like a log
- sleep like a log/rock
- sleep like a rock
- sleep on
- sleep out
- sleep over
- sleepover
- sleep terror
- sleep together
- sleepwalk
- sleepwalker
- sleepwalking
- sleepwear
- sleep with
- sleepy
- sleepyhead
- sleet