Was heißt »zuvörderst« auf Englisch?

Das Adverb »zuvörderst« lässt sich wie folgt von Deutsch auf Englisch übersetzen:

Synonyme

With their boldly coloured liveries, the trains that roll into Zurich Central Station are clean and, above all, on time.
He seemed to be above all suspicion and yet, in the end, turned out to be the culprit.
When it comes to tea, one thing above all else is important to me: it must be hot.
Mary impressed the teacher above all with her perfect, accent-free French.
A draw is the most frequent result of closed matches, in which each player seeks, above all, to restrict the opponent's actions.
No matter the number of qualities we might possess, the world pays attention above all to our bad ones.
He was above all suspicion.
Children need love above all.
Tom was an ordinary teacher, who had pleasure, above all, in exposing his students.
He always thinks first and foremost of his own benefit.
Now, above all, Tom must exercise patience.
Being alone is above all just a kind of mental plaster cast, in which something heals.
He is reputable, intelligent, and above all, good looking.
She is reputable, rational and above all pretty.
Money corrupts – above all those who don't have it.
In mathematics he was head and shoulders above all the others.
He is strong, brave and, above all, kind.
He did well in all subjects and, above all, in mathematics.
He loves dogs above all.
Children need many things, but above all they need love.