Définitions
1.AdjectiveSuitable or appropriate; keeping with expectations, norms, ideals, or rules.
2.AdjectiveIn a queue, waiting one's turn.
3.AdjectiveOf three or more objects, positioned in a straight line."Please stand in line for the pledge of allegiance."
4.AdjectiveAssuming a position in the future."He's third in line to be president.; He's in line to be the fastest runner of all time.; He's in line to be the next champion."
5.AdverbOne behind another; in a queue."I'm waiting in line at the bakery."