plain dumb

Examples (10)

• That was just plain dumb of me to forget my keys.
• It's plain dumb to drive without wearing a seatbelt.
• His excuse for being late was plain dumb.
• She called his decision plain dumb and walked away.
• That's a plain dumb way to waste your money.
• The whole plan sounds plain dumb to me.
• It would be plain dumb to ignore the warning signs.
• He made a plain dumb mistake on the test.
• That's plain dumb luck, nothing more.
• The idea of quitting now seems plain dumb.