declination

Noun

• a polite refusal of an invitation

• (astronomy) the angular distance of a celestial body north or to the south of the celestial equator; expressed in degrees; used with right ascension to specify positions on the celestial sphere

• a downward slope or bend

• a condition inferior to an earlier condition; a gradual falling off from a better state

Related words

• Synonyms: 
  regrets , celestial latitude , dec , descent , declivity , fall , decline , declension , downslope
• Antonyms: 
  ascent , acclivity , rise , raise , climb , upgrade , improvement , melioration