Definition

Describing something that is the least stable or most likely to change or fail.

Example

The weather in this region can be the unstablest during the spring months.

Comparatives & Superlatives

Conversation

Did you hear about the weather forecast for today?

Yeah, they said it's going to be the unstablest we've had all week!

I hope it doesn't ruin our plans for the picnic.

Same here! Let's keep an eye on the sky just in case.

Synonyms & Antonyms

Root Explanation

Unstablest → It is formed from "un-" (meaning not) and "stable" (from Latin "stabilis", meaning firm or steady) and the superlative suffix "-est" (indicating the highest degree). The word "unstablest" means the most not firm or steady, describing something that is the least stable.

Memory Tip

Think of 'not' ('un-') and 'firm' ('stable') to remember that 'unstablest' refers to something that is the least firm or steady.

Visually Confused Words