Vocabulary

impractical; unpractical

unsociable; retiring; solitude-loving

for emergency use

inhuman; inhumane

contactless; non-contact

non-linear; nonlinear

incompatible; unsupported

asynchronous

unscrupulous; dishonest; irresponsibly done (work, etc.)

illogical

tremendous; rapid; dramatic

tail; caudal

microscopic

very small; very little; slight; trifling; negligible; insignificant

heartwarming; pleasant; charming; amusing

intolerable; disgusting

inevitably; certainly

poor correspondent; apparent disdain of (or trouble with) writing; someone who appears to dislike (or be poor at) writing

hundredfold; hundred times as much

superficial

superficial

superficial; apparent; seeming; surface; cosmetic

public; open; formal; official

quickness; alacrity

nimble; agile; quick

uneasy

uneasiness; uncertainty; anxiety; apprehension; restlessness; insecurity

ignorance; inexperience; unfamiliarity

vulgar; unrefined

constancy; immutable

disadvantageous; harmful; unprofitable

irreversible

unknowable; mysterious

agnostic

unshapely; ill-formed; misshapen

inert; noble; neutral

clumsiness; stupidity; blunder

irregular; undisciplined; disorganized; disorganised; slipshod

in no hurry; nonessential (industry)

displeasure; ill humour; ill humor; pique