v. flung (flŭng), fling·ing, flings
1. To throw with violence: flung the dish against the wall. See Synonyms at throw.
2. To put or send suddenly or unexpectedly: troops that were flung into battle.
3. To engage (oneself) in an activity with abandon and energy.
4. To cast aside; discard: fling propriety away.
To move quickly, violently, or impulsively: He flung out of the room.
1. The act of flinging.
2. A brief period of indulging one's impulses.
3. Informal A usually brief attempt or effort: You take a fling at it.
4. A brief, casual sexual or romantic relationship.
[Middle English flingen, of Scandinavian origin; see plāk-2 in the Appendix of Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.