We found one dictionary that defines the word shortness of breaths:

General (1 matching dictionary)

1. shortness of breaths: Collins English Dictionary

(Note: See shortness_of_breath as well.)

Definitions from Wiktionary (shortness of breath) ▸ noun:  Difficulty in breathing. ▸ Also see shortness_of_breath ▸ Words similar to shortness of breaths ▸ Usage examples for shortness of breaths ▸ Idioms related to shortness of breaths ▸ Wikipedia articles (New!) ▸ Words that often appear near shortness of breaths ▸ Rhymes of shortness of breaths ▸ Invented words related to shortness of breaths