In this post, I will be adding words I have encountered and either did not know there meaning, or needed re-visiting for clarity of meaning.

English

altruism (ăl`trĭz`əm)
Helping others, considerate of their interests, without exclusive benefit for the self. Of course, the self will experience Joy when being altruristic, therefore the self certainly benefits too. Simply helping others and being considerate is in itself an action of altruism.

a·mor·phous, adj.
1. Lacking definite form; shapeless.
2. Of no particular type; anomalous.
3. Lacking organization; formless.
4. Lacking distinct crystalline structure

a·nom·a·lous, adj.
1. Deviating from the normal or common order, form, or rule.
2. Equivocal, as in classification or nature.

con·trite, adj.
Feeling regret and sorrow for one’s sins or offenses; penitent.
Arising from or expressing contrition

indefeasible \in-dih-FEE-zuh-bul\ adjective
Not capable of being annulled or voided or undone

dif·fi·dence (df-dns, -dns), n.
The quality or state of being diffident; timidity or shyness.

e·qua·nim·i·ty, n.
The quality of being calm and even-tempered; composure

e·the·re·al, adj.
1. Characterized by lightness and insubstantiality; intangible.
2. Highly refined; delicate.
3. a. Of the celestial spheres; heavenly. b. Not of this world; spiritual.

feign \FAYN\ verb
1 to give a false appearance of : induce as a false impression
2 to assert as if true : pretend

hy·per·bo·lize, verb
To enlarge beyond bounds or the truth.

inoculate \ih-NAHK-yuh-layt\ verb
1 a : to introduce a microorganism into b : to introduce (as a microorganism) into a suitable situation for growth *c : to introduce immunologically active material (as an antibody or antigen) into especially in order to treat or prevent a disease
2 : to introduce something into the mind of
3 : to protect as if by inoculation

inveterate \in-VET-uh-rut\ adjective
1 : firmly established by long persistence
2 : confirmed in a habit : habitual

mis·an·thrope (msn-thrp, mz-) n.
a person who dislikes or distrusts humanity as a general rule.

mod·es·ty n.
1. The state or quality of being modest.
2. Reserve or propriety in speech, dress, or behavior.
3. Lack of pretentiousness; simplicity.

nas·cent adj.
Coming into existence; emerging:

na·ta·to·ri·um n. Late Latin, from Latin natare, 1889
an indoor swimming pool

ol·i·gar·chy (l-gärk, l-) n.
1. a. Government by a few, especially by a small faction of persons or families. b. Those making up such a government.
2. A state governed by a few persons.

pedantic \pih-DAN-tik\ adjective
1 : narrowly, stodgily, and often ostentatiously learned
2 : unimaginative, pedestrian

svelte  /svɛlt, sfɛlt/ –adjective, svelt⋅er, svelt⋅est.
1. slender, esp. gracefully slender in figure; lithe.
2. suave; blandly urbane.

tenebrous \TEN-uh-brus\ adjective
1 : shut off from the light : dark, murky
2 : hard to understand : obscure
3 : causing gloom

ver·dure (vûrjr) n.
1. a. The lush greenness of flourishing vegetation. b. Vigorous greenery.
2. A fresh or flourishing condition: the verdure of childhood.

veracity \vuh-RASS-uh-tee\ noun
1 : devotion to the truth : truthfulness
2 : conformity with truth or fact : accuracy
3 : something true

French
il doit être – so it must be
merci – thank you
rapidement pour le vin – pour the wine quickly

Latin
lex non scripta – unwritten law
lexis – word
invictus maneo – My sould remains unconquered

Greek
Sa agapo – I love you

Sanskrit
Brahman – The unchanging, infinite, immanent, and transcendent reality which is the Divine Ground of all matter, energy, time, space, being, and everything beyond in this Universe.