gravest

Adjective

grave (comparative graver, superlative gravest)

1. Characterised by a dignified sense of seriousness.
   • [Mercuti] Ask for me tomorrow, and you shall find me a grave man.c. 1591–1595 (date written), William Shakespeare, “The Tragedie of Romeo and Ivliet”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and...

   Synonyms:

   austere, solemn, sombre, frightful, demure, serious, earnest, grievous, lack-laughter, thoughtful

2. Low in pitch, tone etc.
   • The thicker the cord or string, the more grave is the note or tone.1854, John Weeks Moore, Encyclopedia of Music

   Antonyms:

   acute, deep, flat, low-pitched

3. Serious, in a negative sense; important, formidable.
   • Israel’s behaviour is doing grave damage to the Palestinian people and to any hope for peace.2016 February 6, James Zogby, “Israel’s prickliness blocks the long quest for peace”, in The National

   Synonyms:

   serious, momentous, capital, important, big, central, consequential, critical, crucial, epochful

4. (dated) Dull, produced in the middle or back of the mouth. (See Grave and acute on Wikipedia.Wikipedia )
5. (obsolete) Influential, important; authoritative.
   • An illiterate fool sits in a mans seat; and the common people hold him learned, grave, and wise.1624, Democritus Junior [pseudonym; Robert Burton], The Anatomy of Melancholy: […], 2nd edition, Oxford, Oxfordshire: […] John Lichfield and James Short, for Henry Cripps, →OCLC, partition II...

   Synonyms:

   magisterial, masterful, oracular, sterling

See all 21 meanings of grave