nail down

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nail down

verb nails down · nailing down · nailed down

transitive to attach with nails Nail down the shelf, then paint it.
idiomatic, transitive to make something (e.g. a decision or plan) firm or certain They haven't nailed down their vacation plans yet.

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MLA

"nail down." Wiktionary, via Micwyn, micwyn.com/word/nail%20down. Accessed 6 Nov. 2026.

APA

nail down. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/nail%20down

Chicago

"nail down." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/nail%20down.

BibTeX

@misc{nail_down_2026,
  title = {nail down},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/nail%20down},
  urldate = {2026-11-06}
}