denoting a person or thing having the position in a sequence corresponding to the number one
preceding all the rest; earliest
the first human beings
in the top or winning place
most important and, therefore, taking precedence
our first task
leading or most senior
the first minister
in music, denoting one of two parts for the same instrument or voice, usu higher in pitch and carrying the melody
denoting the first and lowest forward gear of a motor vehicle
early the next day
everything in its due order
to have not the slightest idea
of the most excellent or outstanding kind
I really have been an idiot of the first order