impatient (adj.)
- abrupt
- agitated
- agog
- alacritous
- animated
- antsy
- anxious
- athirst
- avid
- breathless
- brusque
- curt
- demanding
- desirous
- eager
- edgy
- excited
- fidgety
- forward
- fretful
- hasty
- headlong
- hopped-up
- hot-tempered
- impetuous
- impulsive
- indignant
- irascible
- irritable
- itchy
- keen
- lively
- nervous
- overhasty
- precipitate
- prompt
- querulous
- quick
- rash
- ready
- reckless
- restive
- restless
- short
- short-tempered
- snappish
- spirited
- sudden
- testy
- thirsty
- uneasy
- unquiet
- vital
- vivacious
- vivid
- waspish
- zestful