Lesson 1

autograph

the signature of a famous person

graffiti

pictures of words painted or drawn on the wall, building, etc.

graphite

a shiny, black substance that is used in pencils

paragraph

a part of a piece of writing that deals with one subject, begins on a new line, and is made up of one or more sentences.

telegraph

an outdated system of sending messages over long distances by using wires and electrical signals

irrational

not thinking clearly; not able to use reason or good judgment

irregular

not normal or usual; not following the usual rules about what should be done; not regular in form or shape

irrelevant

not important or relating to what is being discussed right now

nonexistent

not present or real; not existing

nonverbal

not involving or using words; not able to speak