1 : continuously varying; "taffeta with shifting colors"
2 : affording change (especially in social status); "Britain is not a truly fluid society"; "upwardly mobile"
3 : subject to change; variable; "a fluid situation fraught with uncertainty"; "everything was unstable following the coup"
4 : subject to change; "a changeable climate"; "the weather is uncertain"; "unsettled weather with rain and hail and sunshine coming one right after the other"
5 : changeable or inconstant; "versatile moods"
6 : marked by diversity or difference; "the varying angles of roof slope"; "nature is infinitely variable"
7 : liable to sudden unpredictable change; "erratic behavior"; "fickle weather"; "mercurial twists of temperament"; "a quicksilver character, cool and willful at one moment, utterly fragile the next"
adjectif
1 : such that alteration is possible; having a marked tendency to change
