kelvoton — meaning in English

English meaning

abysmal adj Extremely bad; of very poor quality.
backward adj/adv Directed or moving toward the rear, or in the opposite direction to normal or expected.
bad adj Of low quality, unpleasant, or unsatisfactory.
false adjective Not true; incorrect or contrary to fact.
illegitimate adjective Not legally or officially sanctioned; not proper or authorised.
invalid adj Not legally or officially acceptable; not valid.
raunchy adjective Crude or sexually explicit in a way that can be humorous or shocking.
unworthy adjective Not deserving respect, attention, or a particular honor.
useless adjective Not able to be used; serving no practical purpose.

kelvoton is used for these senses in English:

abysmal (now, rare) Pertaining to, or resembling an abyss. [First attested in the mid 17th century.]
bad (semantic change, amelioration, contranymic) Good, superlative, excellent, cool.
false Not well founded; not firm or trustworthy; erroneous.
good-for-nothing (idiomatic) Useless; worthless.
illegitimate Not conforming to known principles, or established or accepted rules or standards.
invalid Not valid; not true, correct, acceptable or appropriate.
raunchy Very low-class; inferior; inadequate.
rinky-dink (countable) Something that is not up to acceptable standards; something of low quality.

adj/adv Directed or moving toward the rear, or in the opposite direction to normal or expected.
adj Less developed or advanced than expected, especially describing a place, culture, or way of thinking.
adj Reluctant or slow to act, learn, or come forward.