MORTAL

deadly, deathly, mortal

(adjective) causing or capable of causing death; “a fatal accident”; “a deadly enemy”; “mortal combat”; “a mortal illness”

mortal

(adjective) unrelenting and deadly; “mortal enemy”

mortal

(adjective) subject to death; “mortal beings”

deadly, mortal

(adjective) involving loss of divine grace or spiritual death; “the seven deadly sins”

person, individual, someone, somebody, mortal, soul

(noun) a human being; “there was too much for one person to do”

Source: WordNet® 3.1

Etymology

Adjective

mortal (comparative more mortal, superlative most mortal)

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

Causing death; deadly, fatal, killing, lethal (now only of wounds, injuries etc.). [from 14th c.]

Punishable by death.

Fatally vulnerable.

Of or relating to the time of death.

Affecting as if with power to kill; deathly.

• mortal enemy

Human; belonging or pertaining to people who are mortal.

Very painful or tedious; wearisome.

(UK, slang) Very drunk; wasted; smashed.

(religion) Of a sin: involving the penalty of spiritual death, rather than merely venial.

Synonyms

• (causing death): fatal, lethal, baneful

Antonyms

• (susceptible to death): immortal, everlasting

• (of or relating to death): natal, vital

• (causing death): vital

Noun

mortal (plural mortals)

A human; someone susceptible to death.

Antonym: immortal

Adverb

mortal (not comparable)

(colloquial) Mortally; enough to cause death.

Source: Wiktionary

Mor"tal, a. Etym: [F. mortel, L. mortalis, from mors, mortis, death, fr. moriri 8die; akin to E. murder. See Murder, and cf. Filemot, Mere a lake, Mortgage.]

1. Subject to death; destined to die; as, man is mortal.

2. Destructive to life; causing or occasioning death; terminating life; exposing to or deserving death; deadly; as, a mortal wound; a mortal sin.

3. Fatally vulnerable; vital. Last of all, against himself he turns his sword, but missing the mortal place, with his poniard finishes the work. Milton.

4. Of or pertaining to the time of death. Safe in the hand of one disposing Power, Or in the natal or the mortal hour. Pope.

5. Affecting as if with power to kill; deathly. The nymph grew pale, and in a mortal fright. Dryden.

6. Human; belonging to man, who is mortal; as, mortal wit or knowledge; mortal power. The voice of God To mortal ear is dreadful. Milton.

7. Very painful or tedious; wearisome; as, a sermon lasting two mortal hours. [Colloq.] Sir W. Scott. Mortal foe, Mortal enemy, an inveterate, desperate, or implacable enemy; a foe bent on one's destruction.

Mor"tal, n.

Definition: A being subject to death; a human being; man. "Warn poor mortals left behind." Tickell.

Source: Webster’s Unabridged Dictionary 1913 Edition