the.com/refusal
The smallest complete sentence in any language: no.
means The act of declining or rejecting something offered, demanded, or requested.
from From Old French refuser, blending Latin refutare (rebut) and recusare (object) — the two great roots of saying not today.
Right of firstA refusal can be a privilege, not rejection.
Grammar of oneNo needs no verb, subject, or apology.
Chess senseA gambit declined still counts as a move.