Word: smackheads
Part of speech: Noun
Syllables: smack
heads
Definition: Plural of smackhead. A person who regularly uses heroin.
Morphemes:
Affix: smack
Language: en
Meaning: heroin
Affix: -head
Language: en
PoS: Suffix
Meaning: Used to form (usually derogatory) words for people who regularly have their mind focused upon a particular subject, activity, or a specified drug or other substance, or who are addicted in some way.
Affix: -s
Language: en
PoS: Suffix
Meaning: Used to form regular plurals of nouns.