Definitions
Something that stops progress, or a substance that inhibits a biological process.
Word origin
From Middle English blocker, blokker, bloker, blokkere, equivalent to block + -er.
Used in a sentence
“Likewise, any connections shared between your child (the blocker) and the user being blocked will also be broken.”
“an ad blocker”
“a content blocker”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Barrier”7 letters
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