Infancy
in the beginning stages of developement # beginning
Vocabulary
Browse words from our books and learn English naturally, one word at a time.
Book: Essential Words for the TOEFL
Infrequently
almost never # rarely
Insignificant
not important; of little value # meaningless
Instantly
happening immediately; in a short period of time # immediately
Intensify
to make stronger in feeling or quality # heighten
Interpret
to understand the meaning of something # clarify
Intolerable
difficult or painful to experience; not able to accept different ways of thought or behavior # unbearable
Inundate
to flood # overwhelm
Investigation
a careful examination in order to determine facts # probe
Involuntarily
in an unthinking manner; not chosen # automatically
Lasting
forever; without end # enduring
Legitimate
reasonable; lawful # authentic
Limber
to be stretched; easily shaped # flexible
Marvel
something that surprises or impresses # wonder
Means
ways # methods
Mention
to say; relate in written form # remark
Motion
the state of changing one's position; to direct by moving # movement
Motivate
to provide a reason or purpose for doing something # encourage
Mysterious
not easily understood or figured out # baffling
Myth
an invented story or idea # legend