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"suppress" is also used as a crossword clue. If that's what you saw, the answer is often stifle (6 letters).
Definitions
lessen to the point of stopping
Word origin
From Latin suppressus, perfect passive participle of supprimō (“press down or under”), from sub (“under”) + premō (“press”).
Used in a sentence
“Political dissent was brutally suppressed.”
“I struggled to suppress my smile.”
“He unconsciously suppressed his memories of abuse.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Prevent from being known”8 letters
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