Vocabulary Flashcards

Front

not easily noticed or defined

Back

subtle

Front

an optical illusion in which hot air distorts distant objects

Back

mirage

Front

to be unaware of what's happening around you because you're lost in thought

Back

absent-mindedly

Front

in a manner expressing pain or sorrow

Back

contritely

Front

to do something in a hurried, wild, or desperate way

Back

frantically

Front

close to, near, or touching something

Back

adjacent

Front

tiring because of the length or dullness

Back

tedious

Front

to make something dirty, unsafe, or impure by adding something harmful

Back

contaminate

Front

a certificate that gives an inventor the exclusive right to make, use, or sell an invention for a set period of time

Back

patent

Front

physically weak

Back

frail