IPA: /ˈtwɪtʃiər/
KK: /ˈtwɪtʃi/
More nervous or jumpy than usual, often showing quick, sudden movements.
After drinking too much coffee, I felt twitchier than normal.
Comparative: twitchier
Superlative: twitchiest
Twitchier → It is formed from "twitch" (of uncertain origin, possibly imitative of the action) and "-ier" (a comparative suffix meaning more). The word "twitchier" means more prone to twitching or having more twitches than something else.
Think of someone who is more prone to sudden movements or spasms — that's what 'twitchier' means, indicating a greater tendency to twitch.