choke control stand stifle stop strangle suppress swallow

conceal cover disguise ensconce hide keep plunge pretend put secret stuff tuck

back closet save

acerbic acrimonious adamantine astringent awful difficult firm grim hard-time hard harsh heavy hurt implacable inclement intense maximum monastic peppery precarious rigorous rocky severe sharp sternly stern torrid trying

abstain allow avoid careful eschew forgo

halt interrupt quell say scowl

bind shackle tie

restrained restraint