Antonyms of adj unexpendable

1 sense of unexpendable

Sense 1
unexpendable (vs. expendable) -- (not suitable to be expended)

expendable (vs. unexpendable) -- (suitable to be expended)
        => consumable -- (may be used up)
        => sacrificeable -- (may be deliberately sacrificed to achieve an objective)

Similarity of adj unexpendable

1 sense of unexpendable

Sense 1
unexpendable (vs. expendable) -- (not suitable to be expended)
          Also See-> essential#2; irreplaceable#1, unreplaceable#1