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The word flash means to shine with a sudden light or flame.
'Retreat' and 'advance' are antonyms, so they mean different things. 'Retreat' means to go back, and 'advance' means to go forward.
Well, since extemporaneous means sudden... you would need an antonym for sudden. That would be anticipated or expected.
unsudden
Eruption, which is literally "to burst forth", from Latin e- "out of" and rumpere "to break, to burst" means a sudden burst of material.
The Capital One card allows for a cash advance on its card. This means one can take out money on the card in advance if there is no money available. There is a fee for the cash advance taken though. Check out the official Capital One site for more information.
Paroxysm means sudden attack.
The word flash means to shine with a sudden light or flame.
Surprise would be the world. It is unexpectedly sudden.
It actually is sudden. It means an unexpected occurrence. It's rarely used outside the phrase "all of a sudden."
The homophone that means to burn with sudden flame is "flair" - this refers to a sudden burst or flare of fire or light.
'Retreat' and 'advance' are antonyms, so they mean different things. 'Retreat' means to go back, and 'advance' means to go forward.
That means that if you continue at that speed, you'll advance 109 kilometers in an hour. If you want to convert that to meters/second - a unit often used in science - divide by 3.6.
Early (as in getting paid in advance)
Advance
a flare
The suffix that means sudden severe bleeding is "-rrhage." An example of a term with this suffix is "hemorrhage," which refers to sudden and severe bleeding.