non-committal (adjective) noncommittal: unwilling to decide
Sinonime: apathy, black mood, blahs, blue funk, blues,
boredom, bummer, dejection, disinterest, dismals, downer, dullness, dumps,
ennui, funk,
gloom, inactivity,
indifference,
inertia,
lassitude, letdown, listlessness,
malaise, mopes,
slump,
stagnation, stupor, tedium, torpor, yawn
Antonime: elation, gladness,
glee,
happiness,
joy