Antonyms of adj nonlethal

1 sense of nonlethal

Sense 1
nonlethal -- (not capable of causing death)

INDIRECT (VIA nonfatal) -> fatal -- (bringing death)

Similarity of adj nonlethal

1 sense of nonlethal

Sense 1
nonlethal -- (not capable of causing death)
       => nonfatal (vs. fatal) -- (not bringing death; "nonfatal heart attack")