Prefixes I

at a time before written history

• prehistoric

• misspell

• underground

to spell incorrectly

• impossible

• misspell

• unsure

beneath the surface of the earth

• unsure

• misplace

• underground

an action taken in advance, usually for safety

• precaution

• unsafe

• impossible

dangerous, risky

• underline

• unsafe

• unsure

not able to happen, unreal

• impossible

• unsafe

• underline

to draw a line beneath

• underline

• unsafe

• impolite

to put in a wrong place, to lose

• misplace

• unsure

• impolite

showing bad manners, rude

• unsure

• misplace

• impolite

not certain, doubtful

• impolite

• underground

• unsure