fallout

noun fall·out \ ˈfȯl-ˌau̇t \

Definition of fallout

1 a :the often radioactive particles stirred up by or resulting from a nuclear explosion and descending through the atmosphere; also :other polluting particles (such as volcanic ash) descending likewise
b :descent (as of fallout) through the atmosphere
2 :a secondary and often lingering effect, result, or set of consequences
  • have to take a position and accept the political fallout
  • —Andy Logan

Examples of fallout in a Sentence

  1. concerned about the possible political fallout from the scandal

Recent Examples of fallout from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fallout.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of fallout

1949


fall out

verb

Definition of fall out

intransitive verb
1 :quarrel; also :to cut off relations over a quarrel
  • former friends who have fallen out
2 :turn out, happen
  • expected to be in the States …  , but things fell out otherwise
  • —Mark Twain
3 a :to leave one's place in the ranks
b :to leave a building in order to take one's place in a military formation

Examples of fall out in a Sentence

  1. club members were soon falling out about how to spend the money they'd made washing cars

  2. I had planned to have a sports career, but things fell out otherwise.

First Known Use of fall out

15th century



FALLOUT Defined for English Language Learners

fallout

noun

Definition of fallout for English Language Learners

  • : the radioactive particles that are produced by a nuclear explosion and that fall through the atmosphere

  • : a bad effect or result of something


FALLOUT Defined for Kids

fallout

noun fall·out \ ˈfȯl-ˌau̇t \

Definition of fallout for Students

1 :the usually radioactive particles falling through the atmosphere as a result of a nuclear explosion
2 :the bad result of something
  • He suffered the fallout from his poor decision.

Medical Dictionary

fallout

noun fall·out \ ˈfȯ-ˌlau̇t \

medical Definition of fallout

1 :the often radioactive particles stirred up by or resulting from a nuclear explosion and descending through the atmosphere; also :other polluting particles (as volcanic ash) descending likewise
2 :descent (as of fallout) through the atmosphere


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