IPA: /ˈstɛdiər/
KK: /ˈstɛdier/
More stable or firm than something else; not likely to change or fluctuate.
The weather is steadier this week compared to last week.
Steadier → It is formed from "steady" (from Old English *stēdig*, meaning firm or stable) and the suffix "-er" (meaning more). The word "steadier" means more firm or stable than something else.
Think of something that is 'more stable' or 'more firm' — 'steady' means stable, and '-er' indicates a comparison.