Synonyms and Antonyms for ha-ha

1. ha-ha (n.)

a loud laugh that sounds like a horse neighing


3. ha-ha (n.)

a ditch with one side being a retaining wall; used to divide lands without defacing the landscape


4. HA (n.)

(astronomy) the angular distance of a celestial point measured westward along the celestial equator from the zenith crossing; the right ascension for an observer at a particular location and time of day