eclipse

1 eclipse /ɪˈklɪps/ noun
plural eclipses
1 eclipse
/ɪˈklɪps/
noun
plural eclipses
Britannica Dictionary definition of ECLIPSE
1 
[count]
a  : an occasion when the sun looks like it is completely or partially covered with a dark circle because the moon is between the sun and the Earth
b  : an occasion when the moon looks like it is completely or partially covered with a dark circle because the Earth's shadow is on it
2 
: a loss of power, success, popularity, etc.
[singular]
[noncount]
2 eclipse /ɪˈklɪps/ verb
eclipses; eclipsed; eclipsing
2 eclipse
/ɪˈklɪps/
verb
eclipses; eclipsed; eclipsing
Britannica Dictionary definition of ECLIPSE
[+ object]
1 
: to cause an eclipse of (the sun or moon)
2 
a  : to make (something) less important or popular
b  : to do or be much better than (someone or something)