1. crool - Adjective
2. crool - Verb
crool (third-person singular simple present crools, present participle crooling, simple past and past participle crooled)
(archaic, intransitive) To murmur or mutter.
crool (comparative crooler, superlative croolest)
Alternative spelling of cruel
crool (third-person singular simple present crools, present participle crooling, simple past and past participle crooled)
Alternative spelling of cruel