18 to 24 months · The "no" phase

The "no" phase at 18 to 24 months

Quick answer

What should I say when the "no" phase at 18 to 24 months?

You want to say no to everything today. That's okay, I still hear you.

Last reviewed 2026-08-28 by Tantrum Scripts editorial team

What's happening developmentally

"No" is often one of the first words a toddler can say reliably and instantly, and testing it on everything is how a very new sense of self gets exercised.

Three scripts to try

Validate first

“You want to say no to everything today. That's okay, I still hear you.”

Give a choice

“Instead of asking yes or no, offer two options: cup or bottle, shoes or boots.”

Redirect

“I bet you can't say no to a tickle attack! Ready?”

These are a starting point, not a transcript. Read when to reach for each type.

What not to say, and why

When it usually passes

The reflexive "no" to everything usually softens over a few months as language grows enough to express a real preference instead.

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