ass sling (adjective) crestfallen: disappointed
Sinonime: avoid, back down, back pedal, beg off, blow it off, cancel, chicken out, cop out, get cold feet, give up, go back on, recant, renege, resign,
scratch, shy from, surrender, throw in the towel, weasel out, welsh, wiggle out, worm out
Antonime: cheered,
elated,
encouraged,
excited,
happy, hearted, inspirited