noun
a tall, four-sided, narrow tapering monument which ends in a pyramid-like shape at the top
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The obelisk stood tall in the center of the plaza, a symbol of ancient architecture.
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Let's meet by the obelisk in the park, it's easy to spot.
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That obelisk is so cool, it's like a giant pencil standing up straight.
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His towering presence in the room was like an obelisk, commanding attention from everyone around.