Synonyms for on-the-spot:
adj. powerless, vulnerable
adj. made public
adj. improvised
adj. unrehearsed, improvised
adj. immediate, urgent
adj. extemporaneous
adj. ready to work
adj. vulnerable
adj. nearby, here
adj. dangerous
adj. fast
adj. extremely fast
adj. extemporaneous
adj. vulnerable
adj. open to attack
adv. in this place
adv. at once, right away
phrase in trouble
adv. without delay
noun danger, trouble
Examples of uses:
Suddenly, however, he became aware of a small black spot far ahead in the very middle of the unencumbered track.
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Title: The Joyous Adventures of Aristide Pujol, author: William J. Locke, url: http://www.gutenberg.org/files/26154/26154-h/26154-h.htm
Sleek finds it far harder work than fortune-making; but he pursues his Will-o'-the-Wisp with untiring energy.
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Title: The Pit Town Coronet, Volume I (of 3), author: Charles James Wills, url: http://www.gutenberg.org/files/42167/42167-h/42167-h.htm
There was a lathe near the spot where David Arden stood, and shavings and splinters under his feet.
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Title: Checkmate, author: Joseph Sheridan Le Fanu, url: http://www.gutenberg.org/files/38460/38460-h/38460-h.htm
We see the whole land, even if but at a distance, instead of being limited merely to the spot where our foot treads.
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Title: Music-Study in Germany, author: Amy Fay, url: http://www.gutenberg.org/files/37322/37322-h/37322-h.htm
A lurid spot on each cheek showed burning red through the bronze of his skin.
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Title: Ramona, author: Helen Hunt Jackson, url: http://www.gutenberg.org/files/2802/2802-h/2802-h.htm
A clock was put above the spot where the fountain stood, in April, 1852, which cost £60.
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Title: Showell's Dictionary of Birmingham, author: Thomas T. Harman and Walter Showell, url: http://www.gutenberg.org/files/14472/14472-h/14472-h.htm
In fact a spot of blood, slightly larger than that which had appeared before, showed plainly upon the Professor's right hand.
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Title: Uncanny Tales, author: Various, url: http://www.gutenberg.org/files/26606/26606-h/26606-h.htm
I reached the spot where she stood, she began to speak, and I took off my hat as if doing reverence to an angel.
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Title: The Book of Anecdotes and Budget of Fun;, author: Various, url: http://www.gutenberg.org/files/29419/29419-h/29419-h.htm
You never know when you are going to stumble upon a jewel in the most out-of-the-way corner.
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Title: Music-Study in Germany, author: Amy Fay, url: http://www.gutenberg.org/files/37322/37322-h/37322-h.htm
And the next day, to his great relief, Grandfather Mole found his sunshade in the same spot.
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Title: The Tale of Grandfather Mole, author: Arthur Scott Bailey, url: http://www.gutenberg.org/files/21203/21203-h/21203-h.htm
