nuance (n.) subtle difference in
meaning
Vocabulary words can be difficult to
master when there are so many
nuances in meaning.
nostalgia (n.) longing
or sentimental
feelings for the past
Listening to the old records evoked
a feeling of nostalgia in him.
nullify (v.) make void; cancel
His
home run was nullified when
they found out he used an illegal
bat.
nucleus (n.) central part around
which other parts are gathered; core
A small
group of friends formed the
nucleus of the club.
oblique (adj.) indirect; not straight
Because some roads were closed
by the storm, we had to take
an
oblique route to get to our
destination.
obdurate (adj.) stubborn; unyielding
We tried to convince him not to buy
the unreliable used car, but he was
too obdurate to listen.
opaque (adj.) impenetrable
by light
We couldn’t see through the win-
dow because it was made of
opaque glass.
onerous (adj.) burdensome; laborious
Building
a stone wall on our proper-
ty proved to be an onerous task.
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