We found 22 dictionaries that define the word approaching:

General (17 matching dictionaries)

1. approaching: Merriam-Webster
2. approaching: Collins English Dictionary
3. approaching: Vocabulary.com
4. Approaching, approaching: Wordnik
5. approaching: Cambridge Advanced Learner's Dictionary
6. approaching: Wiktionary
7. Approaching, approaching: Dictionary.com
8. approaching: Cambridge Essential American English Dictionary
9. Approaching: Online Plain Text English Dictionary
10. approaching: Webster's Revised Unabridged, 1913 Edition
11. approaching: Rhymezone
12. Approaching: AllWords.com Multi-Lingual Dictionary
13. approaching: Webster's 1828 Dictionary
14. approaching: FreeDictionary.org
15. approaching: Mnemonic Dictionary
16. approaching: TheFreeDictionary.com
17. approaching: Wikimedia Commons US English Pronunciations

Business (1 matching dictionary)

18. approaching: Legal dictionary

Computing (1 matching dictionary)

19. approaching: Encyclopedia

Medicine (2 matching dictionaries)

20. online medical dictionary (No longer online)
21. approaching: Medical dictionary

Miscellaneous (1 matching dictionary)

22. approaching: Idioms

(Note: See approach as well.)

Definitions from Wiktionary (approaching) ▸ adjective:  That approaches or approach. ▸ adverb:  Nearly. ▸ noun:  The act of coming closer; an approach. Similar: coming, moving, oncoming, upcoming, forthcoming, future, Nearing, reaching, Anticipating, encountering, more... Opposite: retreating, departing, receding, withdrawing, distancing Types: getting closer, nearing, coming nearer, coming closer, more... Phrases: Approaching the Unknown, Approaching Normal, fast approaching, slowly approaching, approaching quickly, more... Colors:     gray,     silver,     charcoal,     pewter,     gunmetal, more... ▸ Words similar to approaching ▸ Usage examples for approaching ▸ Idioms related to approaching ▸ Wikipedia articles (New!) ▸ Popular adjectives describing approaching ▸ Popular nouns described by approaching ▸ Words that often appear near approaching ▸ Rhymes of approaching ▸ Invented words related to approaching