The question to ask how somebody is, is the next:
What's he/ she like? Is he/ she nice?
¿Cómo es él / ella (de caracter)? ¿Es él / ella agradable?
annoying---irritante---------pleasant
articulate---elocuente------inarticulate
attractive--atractivo-------unattractive
biased---parcial----------unbiased
bonhomous----cordial----
boring----aburrido----exciting, engaging
brave----valiente------cowardly
careless----descuidado----careful
cheerful---alegre---------sad,
clever----listo---------dumb, stupid, unclever,foolish
cultured----culto-------uncultured
cunning---astuto-------malandroit
crafty-----hábil-------naive
crude---descortes, grosero
demanding---exigente----undemanding
dependable---formal-----unformal
easy-going---relajado, tranquilo----tense, excitable
faithful----fiel------unfaithful
fair----justo-------unfair, unjust
fearful----miedoso----brave, fearless
good-natured----bondadoso----unkind
kind ---amable----unkind, mean, cruel,
lustful----lujurioso---puritinical,proper, chaste
naive---ingenuo, inocente----- streer smart, sophisticated
obnoxious----detestable----inoffensive
open-minded---de actitud abierta, sin tabus---narrow minded
rude---grosero,----courteous
ruthless---despiadado----
sane---cuerdo-----insane
insane----loco-----sane
self-confident---seguro de si mismo-----insecure
self-destructive----autodestructivo------safe,impractical
shallow---superficial------deep, profound
shameless--desvergonzado-----shameful
silly--tonto------smart
shy---timido-----outgoing, extrovert
stingy----tacaño,-----generous
stubborn--terco, obstinado-----meek
stuck-up----creido------humble, modest
surly---hosco-----corteous
tactful-----con tino, con tacto-----tacless
thoughful-----considerado-----thougthless
trustworthy---digno de confianza----untrustworthy
--------------Choleric Colérico
Active Activo
Aggressive Agresivo
Analytical Analítico
Bad-tempered Mal humorado
Changeable Inconstante, voluble
Competitive Competitivo
Cranky Irritable
Excitable Nervioso
Grumpy Gruñón
Impulsive Impulsivo
Independent Independiente
Logical Lógico, coherente
Optimistic Optimista
Restless Inquieto
Skeptical Escéptico
Touchy Susceptible, quisquilloso, delicado
Tough-minded Duro, severo
---------------------
Melancholic Melancólico
Anxious Ansioso, preocupado
Calm Tranquilo, calmado
Introspective Introspectivo
Intuitive Intuitivo
Loyal Leal
Moody De humor variable
Pessimistic Pesimista
Reserved / Quiet Reservado, callado
Rigid Rígido, inflexible
Sensitive Sensible
Sentimental Sentimental
Shy Tímido
Sober Formal, serio
-------------
Phlegmatic Flemático
Agreeable Simpático
Charitable Caritativo
Compassionate Compasivo
Considerate Atento,considerado
Cooperative Cooperativo, servicial
Easy-going Tranquilo, relajado
Faithful Fiel, incondicional, leal
Imaginative Imaginativo
Indecisive Indeciso
Intuitive Intuitivo
Passive Pasivo
Peaceful Pacìfico
Reliable De fiar
Sympathetic Comprensivo, compasivo
Trusting Confiado, crédulo
Warm Cariñoso
Sanguine Sanguineo
Carefree Despreocupado, jacarandoso
Cheerful / lively Alegre
Cordial Cordial
Creative Creativo
Decisive Decisivo, resuelto, enérgico
Impetuous / Impulsive Impetuoso, impulsivo, precipitado
Liberal Liberal
Optimistic Optimista
Outgoing Extrovertido
Responsive Receptivo
Self-confident Seguro de sí mismo
Sociable Sociable
Talkative Parlanchìn