• WordNet 3.6
    • n trepidation a feeling of alarm or dread
    • ***
Webster's Revised Unabridged Dictionary
    • Trepidation (Anc. Astron) A libration of the starry sphere in the Ptolemaic system; a motion ascribed to the firmament, to account for certain small changes in the position of the ecliptic and of the stars.
    • Trepidation An involuntary trembling, sometimes an effect of paralysis, but usually caused by terror or fear; quaking; quivering.
    • Trepidation Hence, a state of terror or alarm; fear; confusion; fright; as, the men were in great trepidation .
    • ***
Century Dictionary and Cyclopedia
    • n trepidation Tremulous agitation; perturbation; alarm.
    • n trepidation A trembling of the limbs, as in paralytic affections.
    • n trepidation A vibratory motion; a vibration.
    • n trepidation In ancient astronomy, a libration of the eighth sphere, or a motion which the Ptolemaic system ascribes to the firmament to account for certain phenomena, especially precession, really due to motions of the axis of the earth.
    • n trepidation Synonyms Tremor, Emotion, etc. (see agitation), flutter, tremulousness, discomposure.
    • ***
Chambers's Twentieth Century Dictionary
    • n Trepidation trep-i-dā′-shun a state of confused hurry or alarm: an involuntary trembling
    • ***


  • Daniel Day Lewis
    Daniel Day Lewis
    “Being at the center of a film is a burden one takes on with innocence -- the first time. Thereafter, you take it on with trepidation.”


Webster's Revised Unabridged Dictionary
F. trépidation, L. trepidatio, fr. trepidare, to hurry with alarm, to tremble, from trepidus, agitated, disturbed, alarmed; cf. trepit, he turns, Gr. to turn, E. torture,
Chambers's Twentieth Century Dictionary
L. trepidāre, -ātum, to hurry with alarm—trepidus, restless.


In literature:

Now that he was alone he relaxed somewhat; his manner expressed mingled trepidation and curiosity.
"A Hoosier Chronicle" by Meredith Nicholson
She handed over her store of gold to her stockbroker with extraordinary trepidation.
"A Book of the Play" by Dutton Cook
I opened the door with some slight trepidation, but had no need for fear.
"What Answer?" by Anna E. Dickinson
I walked to where they worked with both inward and outward trepidation, for, to me, Spalton was one of the world's great men.
"Tramping on Life" by Harry Kemp
And the heads having been cut off Indra was freed from his trepidation, and went to heaven, glad at heart.
"The Mahabharata of Krishna-Dwaipayana Vyasa, Volume 2"
Macleod opened this letter with some trepidation, for it was from London; but it was in Norman Ogilvie's handwriting.
"Macleod of Dare" by William Black
Mr. Rashleigh liked gold, and in spite of his trepidation, managed to put it in his pocket.
"The Unseen Bridgegroom" by May Agnes Fleming
It is true that Halliday read the note with some trepidation.
"The Strength of Gideon and Other Stories" by Paul Laurence Dunbar
The crowd that had retreated down the hill in delightful trepidation now came trooping back filled with a bolder excitement.
"Bart Stirling's Road to Success" by Allen Chapman
This Chinaman appeared at my house in great trepidation.
"American Missionary, Volume 43, No. 12, December, 1889" by Various

In poetry:

Alas, my memory
Does not want to leave me
And in it, live beings
Each with its own pain,
Each with its own dying,
Its own trepidation.
"A Poem For the End of the Century" by Czeslaw Milosz
Moving of th' earth brings harms and fears;
Men reckon what it did, and meant;
But trepidation of the spheres,
Though greater far, is innocent.
"A Valediction: Forbidding Mourning" by John Donne
Dream-dispensing face of hers!
Ivory port which loosed upon me
Wings, I wist,
Whose amethyst
Trepidations have forgone me, -
Hesper's filmy traffickers!
"Scala Jacobi Portaque Eburnea" by Francis Thompson

In news:

We sat down to watch last night's premiere of the Tyra Banks–created Stylista with great trepidation.
I do so with some trepidation.
"Dilbert" cartoonist Scott Adams clearly understands the trepidation with which most of us approach a system migration.
Considering all the trouble cartoons have caused in the world lately, it was with some trepidation that I entertained James Mundy's request.
I came to Matthijs van Heijningen's The Thing with a bit of trepidation.
Docs' Trepidation Overstated, Say FPs.
"I jumped right out with no, no trepidation," Cottrell said.
A public-service project and state incentive programs aim to help individuals be prepared during tornadic trepidation.
Trepid vs Dorian's Fall vs Losing Anna – Homegrown Picks of the Week.
Jade's Band T-Shirt of the Day – Trepid .
Trepid was one of the first bands I met when I started doing the Homegrown show.
2010 Oil Spill Coverage Local residents wait with trepidation .
No trepidation for Monaco return.
I approached Richard Curtis' Pirate Radio with serious trepidation.
It's graduation day at Southeastern Guide Dogs, and a student clings to the reins of a perfectly composed Labrador retriever, anticipation mixing with trepidation as he contemplates life with a brand-new pair of eyes.

In science:

Despite Kennicutt’s suggestion that the SINGS/HUGS community is the team to join, even he agreed that the darker forces employing all-seeing eyes such as SAURON should be watched with interest, if not trepidation.
Island Universes
However, we all await ALEPH’s final full-data-sample global analysis with trepidation! Can we resolve branching fraction discrepancies in the hπ0 and 3h modes simply by improving measurements, making older, disagreeable values irrelevant? Apparently so.
Experimental Summary on Hadronic Decays: A TAU98 Review
Therefore, when the organizers of the Andr´e Swieca summer school asked me to choose a few topics on which to speak at the school, I agreed with a lot of trepidation.
Selected topics in integrable models