Good night in Scottish Gaelic
Oidhche mhath
In Scottish Gaelic, the phrase to know first is "Oidhche mhath!" (Good night!). The others are below, each with a note on when to use it.
Good night in Scottish Gaelic is Oidhche mhath. Below are the forms for saying good night to someone and the ways to say "sleep well".
Greetings
Oidhche mhath!
Good night!
The usual form.
Oidhche mhath leat!
Good night to you! (one person)
Leat is "with you", singular.
Oidhche mhath an ceartair!
Good night for now!
When you will see them again soon.
Cadal math dhut!
Sleep well! (to one person)
Cadal is sleep.
Caidil gu math!
Sleep well!
With the verb caidil, sleep.
About the words
Oidhche means night and math good, so oidhche mhath is "good night". To bid someone good night is fàg oidhche mhath aca, "leave good night with them". For sleep, LearnGaelic gives cadal math dhut! and caidil gu math!
Common questions
How do you say good night in Gaelic?
Oidhche mhath! To one person, Oidhche mhath leat.
Good night in the other Celtic languages
Further reading
Scottish Gaelic is on blas. now
Grammar, mutations, vocabulary, and reading with spaced repetition. The Scottish Gaelic course is in the blas. app now.
Start learning Scottish GaelicScottish Gaelic phrases for the year ahead
Scottish Gaelic phrases for everyday occasions
Sources
Every phrase and fact on this page was checked against the sources below. Last checked 2026-10-20.
- Wiktionary, via Kaikki.org
- LearnGaelic dictionary: entry 84712
- LearnGaelic dictionary: entry 4794
- LearnGaelic dictionary: entry 40645
- LearnGaelic dictionary: entry 16670
- LearnGaelic dictionary: entry 16669
Credit: Wiktionary contributors, CC BY-SA 4.0.