Tone II

brusque

abrupt in manner; blunt

callous

cruel disregard; unfeeling; uncaring; indifferent; ruthless

didactic

instructive

docile

compliant; submissive; deferential; accommodating

dubious

questionable motives; inclined to doubt

ebullient

overflowing with enthusiasm; high-spirited

facetious

inappropriate; flippant

incensed

enraged

indignant

expressing strong displeasure at something considered unjust, offensive,  or insulting

irreverent

lacking respect for things that are generally taken seriously

supercilious

disdainful or contemptuous

terse

neatly or effectively concise; brief and pithy