missing the mark (verb) fizzle: collapse, fall through
Sinonime: blithesome, cheerful, cheery, delighted, doing handsprings, ecstatic, effervescent, elated, enjoyable, enraptured, expansive, festive, flipping, flying, gay, glad, gladsome, gratified, heartening, high,
jocund,
jolly,
jovial,
joyous, jubilant, lighthearted, merry, overjoyed, pleased, pleasurable, popping, rapturous, satisfied, sunny, transported, upbeat
Antonime: miserable, sad