We found 25 dictionaries that define the word senior citizen:

General (21 matching dictionaries)

1. senior citizen: Longman Dictionary of Contemporary English
2. senior citizen: Merriam-Webster
3. senior citizen: Oxford Learner's Dictionaries
4. senior citizen: American Heritage Dictionary of the English Language
5. senior citizen: Collins English Dictionary
6. senior citizen: Vocabulary.com
7. senior-citizen: Wordnik
8. senior citizen: Cambridge Advanced Learner's Dictionary
9. senior citizen: Wiktionary
10. senior citizen: The Wordsmyth English Dictionary-Thesaurus
11. senior citizen: Infoplease Dictionary
12. senior-citizen, senior citizen: Dictionary.com
13. Senior citizen: Wikipedia, the Free Encyclopedia
14. senior citizen: Rhymezone
15. senior citizen: AllWords.com Multi-Lingual Dictionary
16. Senior Citizen: American-Britih Dictionary
17. senior citizen: FreeDictionary.org
18. senior citizen: Mnemonic Dictionary
19. senior-citizen, senior citizen: TheFreeDictionary.com

Business (1 matching dictionary)

20. senior citizen: Legal dictionary

Computing (1 matching dictionary)

21. senior citizen: Encyclopedia

Medicine (1 matching dictionary)

22. senior citizen: Medical dictionary

Slang (1 matching dictionary)

23. The Senior Citizen, senior citizen: Urban Dictionary

(Note: See senior_citizens as well.)

Definitions from Wiktionary (senior citizen) ▸ noun:  An old person, variously considered to be a person over fifty, fifty-five, sixty, or sixty-five years of age. Similar: oldster, old person, senior, old-age pensioner, genarian, elderly, older adult, old folks, pensioner, gerontonym, more... Types: retiree, elderly, grandparent, centenarian, geriatric, octogenarian, super senior, aging adult, elder, more... Adjectives: senior, aldern, eldern, older, eld, aging, sc, geriatric, long in the tooth, multiage, progeroid ▸ Words similar to senior citizen ▸ Usage examples for senior citizen ▸ Idioms related to senior citizen ▸ Wikipedia articles (New!) ▸ Words that often appear near senior citizen ▸ Rhymes of senior citizen ▸ Invented words related to senior citizen