verb C1 Advanced

proliferate

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Proliferate (verb) means to grow quickly in number or amount.

verb

To grow quickly in number or amount.

"The flowers proliferated rapidly all spring."

"After decades of the type of mismanagement that proliferated across all the nationalised industries, the government was already aware that British Railways was in deep trouble." — Howard Johnston, Was Marples the real railway wrecker? (2023)

"When no certain cure exists, quack remedies tend to proliferate and the history of quackery and secret cures is full of extraordinary forms of treatment for the various arthritic disorders." — F. Dudley Hart, History of the treatment of rheumatoid arthritis (1976)

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C2 · Advanced serendipity Fortunate discoveries made entirely by accident.

Gen Z slang rizz Charm — the ability to attract a romantic interest.

B2 · Intermediate empathy The capacity to share another person’s feelings.

C1 · Advanced nonchalant Casually calm and relaxed; unconcerned.

Internet slang delulu Delusional — believing something against the odds.

Etymology nostalgia Greek nostos “return home” + algos “pain”.

C2 · Advanced serendipity Fortunate discoveries made entirely by accident.

Gen Z slang rizz Charm — the ability to attract a romantic interest.