Inb4

conj

conj ·Rare ·Advanced level

Definitions

Conjunction
  1. 1
    Preemptively responding to a predicted circumstance or response. Internet

    "inb4 he loses again"

Synonyms

All synonyms
before

Etymology

From in before. It originated on 4chan: on threads that users thought would be locked, they would comment "in before the lock", or "I got a comment in before the thread locked." Before then got abbreviated independently into B4 or b4.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.