Dictionary.com
Thesaurus.com

M-day

American  
[em-day] / ˈɛmˌdeɪ /

noun

Military.
  1. mobilization day: a day assumed by the Department of Defense as the first day of mobilization, used by the military for planning purposes.


Etymology

Origin of M-day

First recorded in 1935–40


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

There's ample time for a backlash against the backlash as M-day draws closer and people start feeling millennial peer pressure to make impressive plans.

From Time Magazine Archive

New York provided an extraordinary juxtaposition of moods as the Mets won the World Series the day after M-day.

From Time Magazine Archive

San Francisco State College President S. I. Hayakawa, a hero to California conservatives for his rhadamanthine handling of student demonstrators in the past, serenely denied that M-day was being observed on his campus.

From Time Magazine Archive

Perhaps the most remarkable press reaction to M-day came not from the editorial writers and columnists, but from rank-and-file newsmen.

From Time Magazine Archive

The Detroit News concluded that M-day had probably encouraged the enemy but added that it had also "served as a national safety valve for the venting of frustrations, legitimate and otherwise."

From Time Magazine Archive

Random Word

Spin the wheel and learn a new word!

Get a word

Vocabulary.com logo
by dictionary.com

Join 14,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training