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Definition of slacker
slacker
/ˈslæk.ər/
slack · er
Plural:slackers
slacker Lexical Profile
CEFR
B2
Grade
7
Tier
2
Usage
Top 10k
Syllables
2
slacker Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
A person who habitually avoids work, effort, or responsibility.
Example
"The rest of the group resented doing extra work to cover for the slacker on their team."
2
A person who evades military service or other civic duties in wartime (historical).
Example
"During the First World War, local authorities conducted raids to apprehend suspected draft slackers."
Synonyms
View all synonyms for slacker Antonyms
View all antonyms for slacker• Rhymes for slacker
Word Origin & Etymology
Coined in the late 19th century from the verb 'slack' (from Old English 'slæc', meaning lazy or careless) plus the agent suffix '-er'. It gained widespread prominence during World War I to describe someone who evaded military service, and was later popularized in the 1990s to describe aimless, underachieving youth.
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Slacker. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/slacker