Crossword puzzle clue "speed uppers etc"

AMPHETAMINE, a synthetic, potentially habit-forming drug used as an appetite suppressant and in the treatment of narcolepsy

ALARM, to strike with fear

ANTENNA, (Latin) a feeler in insects

BERTH, to moor a ship

to break, shatter

CHOPSTICK, either of two small sticks used instead of a fork for eating, esp. in Oriental countries

CLERK, to serve as an office worker