Lethal synonyms and antonyms

lē'thəl

Suggestive of death:

10

2

(Computing) Causing a sudden end to the running of a program.

7

3

harmful (related)

Causing or capable of causing harm; injurious.

5

1

The definition of dangerous is something that is potentially harmful, damaging or likely to cause an accident or injury.

3

0

Susceptible to death by aging, sickness, injury, or wound; not immortal. [from 14th c.]

5

3

harmless (antonym)

Not intended to harm or offend; inoffensive.

2

0

live (related)

Of a performance or speech, in person.

1

1

Advertisement

Poisonous or poisoned

0

0

Containing sufficient poison to be dangerous

0

0

safe (antonym)

Free from danger or injury; undamaged or unhurt:

0

0

life-giving (antonym)

Describing that which causes or preserves life, often for that which is essential to survival.

0

0

helpful (antonym)

Providing assistance; useful.

0

0

beneficial (antonym)

Receiving benefit

0

0

The definition of deathly is something that is related to or likely to cause death.

0

0

Advertisement

Containing life; living.

0

0

toxic (related)

0

0

potent (related)

0

0

explosive (related)

0

0

destructive (related)

0

0

(Medicine) Tending to metastasize:

0

1

Find another word for lethal. In this page you can discover 20 synonyms, antonyms, idiomatic expressions, and related words for lethal, like: deadly, fatal, harmful, dangerous, mortal, harmless, live, poison, poisonous, safe and life-giving.