HackerVoca

inflate : swell, expand
inflexible : rigid, unbending, stern1 adjective

1 strict in a very serious and often unpleasant way: a stern teacher | groups calling for sterner penalties for drug offences

2 stern look/expression/rebuke something that someone says or does that expresses disapproval

sternly adverb
sternness noun [uncountable] , resolute adjective
doing something in a very determined way because you have very strong beliefs, aims etc
irresolute
resolutely adverb : She resolutely resisted his amorous advances.
resoluteness noun , steadfast
inform : notify, acquaint
information : intelligence
ingenious : skillful, adroit, resourceful, inventive
ingenuous adjective
inexperienced, simple, trusting, and honest
ingenuously adverb
ingenuousness noun [uncountable]
disingenuous : frank, candid, open, naive