keenly (adv.)
- acidly
- actively
- animatedly
- anxiously
- ardently
- avidly
- bitingly
- bitterly
- breathlessly
- briskly
- caustically
- cordially
- cuttingly
- eagerly
- energetically
- enthusiastically
- excitedly
- exuberantly
- fervently
- fervidly
- forcefully
- forcibly
- glowingly
- hardly
- heartily
- heatedly
- impatiently
- incisively
- intensely
- kindly
- lustily
- mordaciously
- passionately
- penetratingly
- piercingly
- promptly
- quickly
- readily
- scathingly
- sharply
- sorely
- spiritedly
- strenuously
- tartly
- trenchantly
- vigorously
- vivaciously
- warmly
- witheringly
- zealously
- zestfully
