Extant (adj.) – in existence.

Ephemeral (adj). – short-lived

Esoteric (adj) – known to a select few

Capricious (adj.) – unpredictable, whimsical

Because Mr. Bean was so capricious his friends felt they could not rely on him.

Corroborate (v.) – to confirm, make stronger

No witnesses were able to corroborate Superman’s alibi that he had been at the toilet at the time of the murder

Loquacious (adj.) – talkative

Erudite (adj.) – scholarly

Pragmatic (adj.) – practical

Ambivalent (adj.) – having contradictory feelings

Soporific (adj.) – inducing sleep

My English teacher Mrs. Fox had a soporific voice

Prolific (adj.) – producing or creating abundantly

Auspicious (adj.) – favorable

Sanguine (adj.) – cheerful; optimistic

Enervate (v.) – to weaken; drain the energy from

Magnanimous (adj.) – big-hearted; generous

Belligerent (adj.) – Inclined to fighting

Fastidious (adj.) – nitpicky

Reticent (adj.) – tight lipped, not prone to saying much, reluctant

Inculpate (v.) – to charge with wrong-doing; accuse