Ant. Harshness, rigor, severity, sternness, penalty, justice, vengeance, revenge, punishment, hardness, cruelty, implacability, ruthlessness, inhumanity, brutality, exaction.

Mere. Unmixed, pure, absolute, unqualified, simple, bare, unaffected; unadulterated.

Ant. Compound, mixed, impure, blended, combined, adulterated.

Meridian, n. Midday, noon, zenith, height, culmination, summit, apex, pinnacle, acme.

Ant. Midnight, antipodes, depth, profundity, base, depression, nadir.

Merit, n. Desert, worth, excellence, reward, approbation; worthiness, credit, goodness.

Ant. Worthlessness, error, unworthiness, demerit, weakness, imperfection, fault.

Merry. Gay, jovial, sportive; cheerful, happy; blithe, lively, sprightly, vivacious, mirthful, gleeful, joyous, jocund, hilarious.

Ant. Gloomy, sad, disconsolate, dismal, moody, dejected.

Message. Notice, word, communication, missive, letter, intimation.