Antonyms of adj temperamental

2 of 3 senses of temperamental

Sense 2
moody, temperamental -- (subject to sharply varying moods; "a temperamental opera singer")

INDIRECT (VIA emotional) -> unemotional -- (unsusceptible to or destitute of or showing no emotion)

Sense 3
erratic, temperamental -- (likely to perform unpredictably; "erratic winds are the bane of a sailor"; "a temperamental motor; sometimes it would start and sometimes it wouldn't"; "that beautiful but temperamental instrument the flute"- Osbert Lancaster)

INDIRECT (VIA unreliable, undependable) -> reliable, dependable -- (worthy of reliance or trust; "a reliable source of information"; "a dependable worker")
INDIRECT (VIA unreliable, undependable) -> reliable, dependable -- (worthy of reliance or trust; "a reliable source of information"; "a dependable worker")

Similarity of adj temperamental

3 senses of temperamental

Sense 1
temperamental -- (relating to or caused by temperament; "temperamental indifference to neatness"; "temperamental peculiarities")

Sense 2
moody, temperamental -- (subject to sharply varying moods; "a temperamental opera singer")
       => emotional (vs. unemotional) -- (of more than usual emotion; "his behavior was highly emotional")

Sense 3
erratic, temperamental -- (likely to perform unpredictably; "erratic winds are the bane of a sailor"; "a temperamental motor; sometimes it would start and sometimes it wouldn't"; "that beautiful but temperamental instrument the flute"- Osbert Lancaster)
       => unreliable (vs. reliable), undependable (vs. dependable) -- (not worthy of reliance or trust; "in the early 1950s computers were large and expensive and unreliable"; "an undependable assistant")