1 : resistant to destruction or fading; "fast colors"
2 : unwavering in devotion to friend or vow or cause; "a firm ally"; "loyal supporters"; "the true-hearted soldier...of Tippecanoe"- Campaign song for William Henry Harrison; "fast friends"
3 : preventing entry or exit or a course of action; "a barricaded street"; "barred doors"; "the blockaded harbor"
adverbe
1 : in a hurried or hasty manner
2 : with efficiency; in an efficient manner
3 : quickly or rapidly (often used as a combining form)
4 : in a hurried or hasty manner
5 : in a punctual manner
adjectif
1 : (used of timepieces) indicating a time ahead of or later than the correct time
