Comparative form of dreary: more dreary(adjective)
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Use "drearier" in a sentence
"- I can't recall a drearier 59 minutes since I last had to drag my canoe single-handed through the brush to the banks of Lake Titicaca."
"It was even drearier with rain pouring and lightning flashing from the clouds."
"After all, if we all stayed pedantically committed to our initial interests and behavioural patterns life would seem an awful lot longer and drearier than it presently does."