Altruis'tic

(adj.)

Unselfish, concerned with the welfare of others

Synonym: Selfless

Antonyms: Selfish, self-centered

Assent'

(v., n.)

(v.) To express agreement; (n.) Agreement

Synonyms: Concur, consent, accede

Antonyms: Disagree, differ, dissent

Ben'efactor

(n.) 

One who does good to others

Synonyms: Patron, humanitarian 

Antonyms: Misanthrope, malefactor

Chiv'alrous

(adj.)

Marked by honor, courtesy, and courage; knightly

Synonyms: Gallant, civil, valiant 

Antonyms: Crude, uncouth, churlish, loutish

Clem'ency

(n.)

Mercy, humaneness; mildness, moderateness

Synonyms: Leniency, forbearance, gentleness 

Antonyms: Harshness, severity, cruelty, inflexibility

Dearth

(n.)

A lack, scarcity, inadequate supply; a famine

Synonyms: Insufficiency, want, paucity 

Antonyms: Surplus, oversupply, glut, abundance

Diff'ident

(adj.)

Shy, lacking self-confidence; modest, reserved

Synonyms: Timid, bashful, unassertive, withdrawn 

Antonyms: Bold, brash, audacious, self-confident, jaunty

Discrep'ancy

(n.)

A difference; a lack of agreement

Synonyms: Disagreement, divergence, inconsistency 

Antonyms: Agreement, convergence, consistency

Embark'

(v.)

To go aboard; to make a start; to invest

Synonyms: Commence, launch, begin, board  

Fac'ile

(adj.)

Easily done or attained; superficial; ready, fluent; easily shown but not sincerely felt

Synonyms: Effortless, assured, poised, specious 

Antonyms: Labored, awkward, halting

Indom'itable

(adj.)

Unconquerable, refusing to yield

Synonyms: Unbeatable, invincible, unyielding 

Antonyms: Surrendering, submissive, yielding

Infall'ible

(adj.)

Free from error; absolutely dependable

Synonyms: Unerring, certain 

Antonym: Imperfect

Plod

(v.)

To walk heavily or slowly; to work slowly

Synonyms: Lumber, trudge 

Antonyms: Scamper, skip, prance

Pun'gent

(adj.) 

Causing a sharp sensation; stinging, biting

Synonyms: Sharp, spicy, piquant, caustic, racy 

Antonyms: Bland, unappetizing, colorless, insipid

Remiss'

(adj.)

Neglectful in performance of one's duty, careless

Synonyms: negligent, lax, slack 

Antonyms: Scrupulous, dutiful, punctilious

Repose'

(v., n.)

(v.)To rest; lie; place; (n) relaxation, peace of mind, calmness

Synonyms: (v.) sleep; (n.) tranquility, respite 

Antonyms: (n.) exertion, wakefulness, tumult, bustle, ado

Temer'ity

(n.)

Rashness; boldness

Synonyms: Recklessness, foolhardiness, effrontery 

Antonyms: Timidity, fearfulness, diffidence, humility

Truc'ulent

(adj.)

Fierce and cruel; aggressive; deadly, destructive; scathingly harsh

Synonyms: Brutal, savage, belligerent, vitriolic 

Antonyms: Gentle, mild, meek, unthreatening

Unfeigned'

(adj.)

Sincere, real, without pretense

Synonyms: Genuine, heartfelt 

Antonyms: Insincere, simulated, phony

Vir'ulent

(adj.)

Extremely poisonous; full of malice, spiteful

Synonyms: Venomous, noxious, baneful, hateful 

Antonyms: Innocuous, harmless, benign