► luckyhaving good luck: We got lucky and won a few races (=won the races because we were lucky). William considered himself lucky to have married Leonora.
► fortunate fortunate means the same as lucky but sounds more formal: It was fortunate that no one was injured in the accident.
► fortuitous formal lucky and happening by chance: When he was cleaning out his laboratory, he made a fortuitous discovery.
► miraculous extremely lucky, especially because you avoid having something bad happen to you: The woman had a miraculous escape after her car overturned on the freeway.
► auspicious formal an auspicious moment or start makes people feel hopeful that good things will happen: The sun came out as she began speaking – we hope that means an auspicious start to her campaign.
► propitious formal good and likely to bring good results: It seemed a propitious time to be beginning a new business.