stup-, stupe- +

1. An extinct large bird.
2. Portuguese duodo; literally, "stupid.

More dodo information is here.

I was stupefied, and my hair stood on end, and my voice stuck to my throat.

A description of the physical effects of fear, from Virgil's Aeneid; with an equivalent meaning of, "I was scared stiff."

1. Stupefying; producing stupor.
2. A drug or agent that produces stupor.

1. The state of being stupefied; stupor.
2. Overwhelming amazement.
3. Great astonishment or consternation.

1. Serving to stupefy.
2. Producing stupefaction; stupefactive.

One who, or that which, stupefies; a stupefying agent.

1. To put into a state of little or no sensibility; to benumb the faculties of; to put into a stupor.
2. To stun, as with a narcotic, a shock, or a strong emotion.
3. To overwhelm with amazement; to astound; to astonish.

Manic stupor.

1. Causing amazement; astounding; marvelous.
2. Amazingly large or great; immense.

1. Slow to learn or to understand; obtuse.
2. Tending to make poor decisions or careless mistakes.
3. Marked by a lack of intelligence or care; foolish or careless.
4. Dazed, stunned, or stupefied.
5. Pointless; worthless.
6. "Mentally slow," from Middle French stupide, from Latin stupidus, "amazed, confounded"; literally, "struck senseless", from Latin stupere, "be stunned, amazed, confounded".

1. The quality or condition of being stupid.
2. A stupid act, notion, remark, or idea.

1. In a stupid manner.
2. A moment or act of stupidity.

1. The partial or nearly complete unconsciousness, manifested by the subject's responding only to vigorous stimulation.
2. A disorder marked by reduced responsiveness.
3. Suspension or great diminution of sensibility, as with a disease or as caused by narcotics, intoxicants, etc.
4. A mental torpor; apathy; stupefaction.

A condition unconsciousness, diminished consciousness or lethargy with a suppression of sense or feeling.