stormiest

/S T AO1 R M IY0 IH0 S T/
adjective
  1. 1

    Of or pertaining to storms.

  2. 2

    Characterized by, or proceeding from, a storm; subject to storms; agitated with strong winds and heavy rain.

    โ€œa stormy season or a stormy dayโ€

  3. 3

    Proceeding from violent agitation or fury.

    โ€œa stormy sound or stormy shocksโ€

  4. 4

    Violent; passionate; rough.

    โ€œstormy passionsโ€

Antonyms

Source: https://en.wiktionary.org/wiki/stormiest, https://en.wiktionary.org/wiki/stormy