[kiːn], (Adjective)

Definitions:
- having or showing eagerness or enthusiasm
(e.g: a keen gardener)

- (of a sense) highly developed
(e.g: I have keen eyesight)

- (of the edge or point of a blade) sharp
(e.g: the keen blade went through the weeds)

- (of activity or feeling) intense
(e.g: there could be keen competition to provide the service)

- excellent
(e.g: I would soon fly to distant stars—how keen!)


Phrases:
- as keen as mustard

Origin:
Old English cēne ‘wise, clever’, also ‘brave, daring’, of Germanic origin; related to Dutch koen and German kühn ‘bold, brave’. Current senses date from Middle English

[kiːn], (Verb)

Definitions:
- wail in grief for a dead person
(e.g: the body of Johnny was taken by his own people who keened over him)


Phrases:

Origin:
mid 19th century: from Irish caoinim ‘I wail’

[kiːn], (Noun)

Definitions:
- an Irish funeral song accompanied by wailing in lamentation for the dead


Phrases:

Origin:
mid 19th century: from Irish caoinim ‘I wail’