hard tack
Preserved but no longer current.
Ship biscuits. This is a term used by sailors to distinguish their ordinary sea-bread from that obtained on shore, which is called soft TACK, or soft tommy. HARD TACK is also a phrase used by the London lower classes to signify coarse or insufficient food.
Era: ca. 1874 (Victorian)
Sources & notes
Historical definition reproduced from Hotten’s The Slang Dictionary (1874, public domain; Project Gutenberg #42108, retrieved 2026-07-31). Reflects the attitudes of its era.
Common questions
What does “hard tack” mean?
Ship biscuits. This is a term used by sailors to distinguish their ordinary sea-bread from that obtained on shore, which is called soft TACK, or soft tommy. HARD TACK is also a phrase used by the London lower classes to signify coarse or insufficient food.
Is “hard tack” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.