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smack 1 (smăk)
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v. smacked, smack·ing, smacks
v.tr.
1. To press together and open (the lips) quickly and noisily, as in eating or tasting.
2. To kiss noisily.
3. To strike sharply and with a loud noise.
v.intr.
1. To make or give a smack.
2. To collide sharply and noisily: The ball smacked against the side of the house.
n.
1. The loud sharp sound of smacking.
2. A noisy kiss.
3. A sharp blow or slap.
adv.
1. With a smack: fell smack on her head.
2. Directly: "We were smack in the middle of another controversy about a public man's personal life" (Ellen Goodman).

[Perhaps of Middle Flemish origin, or perhaps of imitative origin.]

The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
 
smack 2 (smăk)
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n.
1.
a. A distinctive flavor or taste.
b. A suggestion or trace.
2. A small amount; a smattering.
intr.v. smacked, smack·ing, smacks
1. To have a distinctive flavor or taste. Used with of.
2. To give an indication; be suggestive. Often used with of: "an agenda that does not smack of compromise" (Time).

[Middle English, from Old English smæc.]

The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
 
smack 3 (smăk)
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n.
A fishing boat sailing under various rigs, according to size, and often having a well used to transport the catch to market.

[Dutch or Low German smak, from smakken, to fling, dash.]

The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
 
smack 4 (smăk)
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n.
Slang
Heroin.

[Probably variant of smeck, from Yiddish shmek, a sniff, swell, from shmekn, to sniff, smell, from Middle High German smecken, smacken, to smell, taste, from Old High German smac, smell, taste.]

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:

    Indo-European Roots

    Semitic Roots

    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.

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