HUMID, HUMIDITY
ADJECTIVES
1545 — DANKISH wet; humid → obs.
1638 — MUGGY extremely humid
1804 — MUCKY muggy, humid → Amer. dial.
1829 — GIFFY → GIVEY → GIVY of weather: humid, muggy, damp; hence, moist, pliable → Amer. dial.
1855 — STICKY hot and humid, muggy → orig. US
1864 — SMOTHERSOME oppressively hot or humid → Amer. dial.
1965 — MURKY muggy, humid → Amer. dial.
1966 — MOISTY damp; humid → Amer. dial.
NOUNS
1400 — DANK wetness, humidity, damp → obs.
1456 — WAK moisture, humidity → Sc. obs.
1520 — WACKNESS → WAKNESS moisture, humidity → Sc. obs.
1890 — SIZZARD heat with high humidity