Blest

a simple past tense and past participle of bless.
blessed.
to consecrate or sanctify by a religious rite; make or pronounce holy.
to request of God the bestowal of divine favor on:
Bless this house.
to bestow good of any kind upon:
a nation blessed with peace.
to extol as holy; glorify:
Bless the name of the Lord.
to protect or guard from evil (usually used as an interjection):
Bless you! Bless your innocent little heart!
to condemn or curse:
I’ll be blessed if I can see your reasoning. Bless me if it isn’t my old friend!
to make the sign of the cross over or upon:
The Pope blessed the multitude.
Historical Examples

The Indian in his Wigwam Henry R. Schoolcraft
Samuel Brohl & Company Victor Cherbuliez
Frank Mildmay Captain Frederick Marryat
Country Neighbors Alice Brown
Recreations of Christopher North, Volume 2 John Wilson
The Panchronicon Harold Steele Mackaye
Dawn Mrs. Harriet A. Adams
The Mirror of Taste, and Dramatic Censor, Vol. I, No. 5, May 1810 Various
The Ontario Readers: The High School Reader, 1886 Ministry of Education
The Huntress Hulbert Footner

verb
a past tense and past participle of bless
verb (transitive) blesses, blessing, blessed, blest
to consecrate or render holy, beneficial, or prosperous by means of a religious rite
to give honour or glory to (a person or thing) as divine or holy
to call upon God to protect; give a benediction to
to worship or adore (God); call or hold holy
(often passive) to grant happiness, health, or prosperity to: they were blessed with perfect peace
(usually passive) to endow with a talent, beauty, etc: she was blessed with an even temper
(rare) to protect against evil or harm
(interjection) bless!, an exclamation of well-wishing
(interjection) bless you!

a traditional phrase said to a person who has just sneezed
an exclamation of well-wishing or surprise

(interjection) bless me!, bless my soul!, God bless my soul!, an exclamation of surprise
not have a penny to bless oneself with, to be desperately poor
v.