This is the 11474th most frequent French word.
resterais
"Resterais" means "would stay" in English.
The word 'resterais' is used here in a conditional mood to express a hypothetical action of staying at home.
Si j'étais toi, je resterais à la maison aujourd'hui.
If I were you, I would stay home today.
In this sentence, 'resterais' indicates a determination or willingness to stay under certain conditions.
Même si tout le monde part, je resterais ici pour finir le travail.
Even if everyone leaves, I would stay here to finish the job.
The word 'resterais' here conveys a conditional willingness to stay provided more time is available.