good luck
2 antonyms for good luck — opposites grouped by meaning.
Interjection — Said to someone facing something uncertain or difficult, to wish them a favourable outcome.
Synonyms by Meaning
1. interjection
Said to someone facing something uncertain or difficult, to wish them a favourable outcome.
“Good luck with the interview tomorrow.”
2. noun
Favourable chance; fortune that works in someone's favour.
“It was pure good luck that the flight was delayed and we caught it.”
Opposites
3. interjection informal
Said sarcastically to signal that someone is attempting the impossible.
“You want a refund after ninety days? Good luck.”
Antonyms
How to use good luck
The word patterns that sound natural to a native speaker.
Warm and universal in the sincere sense, but a bare 'good luck' with a flat tone reads as dismissive, so speech and messages usually add a detail: good luck with the move.