rashest

/R AH0 SH AH0 S T/
adjective
  1. 1

    Acting too quickly without considering the risks and consequences; not careful; hasty.

    โ€œrash words spoken in the heat of debateโ€

  2. 2

    So dry as to fall out of the ear with handling, as corn.

  3. 3

    Requiring sudden action; pressing; urgent.

  4. 4

    Fast-acting.

Source: https://en.wiktionary.org/wiki/rash, https://en.wiktionary.org/wiki/rashest