To regard with extreme dislike and hostility

• loathe
• execrate
• detest
• despise
• abominate
• abhor

Extreme hostility and dislike

• revulsion
• repulsion
• repugnancy
• repugnance
• repellency
• repellence
• loathing
• horror
• hatred
• detestation
• aversion
• antipathy
• abomination
• abhorrence

An object of extreme dislike

• horror
• execration
• detestation
• bugbear
• bête noire
• aversion
• anathema
• abomination
• abhorrence

To detest

• hate like poison
• have-it-in-for
• look daggers at
• be down on
• owe a grudge to
• view with horror
• be disgusted with
• have no use for
• hold in contempt
• be malevolent
• mislike
• hold aloof from
• feel malice toward
• look-down-upon
• disfavor
• have no stomach for
• have no taste for
• deride
• hold-cheap
• revolt against
• reject
• be tired of
• be sick of
• curse
• esteem slightly
• resent
• denounce
• nauseate
• shun
• disparage
• recoil from
• shrink from
• spurn
• bear a grudge against
• have ill feelings toward
• bear malice
• object to
• have no use for
• feel repulsion for
• be repelled by
• have enough of
• sicken at
• not care for
• shudder at
• dislike intensely
• swear eternal enmity
• contemn
• curse
• anathematize
• spit upon
• look at with loathing
• have an aversion toward
• despise
• scorn
• loathe
• abominate
• execrate
• abhor
• detest

*To dislike; often used with infinitive or participle

• be cold about
• hold-cheap
• get on one's high horse
• look-down-one-s-nose
• speak-ill-of
• look-down-upon
• look coldly upon
• turn up one's nose at
• shy-away
• be reluctant
• blench from
• wince from
• turn from
• quail from
• steer clear of
• keep clear of
• wish to abstain from
• not have the heart to
• eschew
• hesitate
• put off
• feel sick at
• demur
• pull back from
• shun
• struggle against
• wish to avoid
• disapprove of
• be disinclined
• have no stomach for
• have no taste for
• mind
• avoid
• shun
• not relish the idea
• find obnoxious
• be set against
• find abhorrent
• have no liking for
• not like
• think nothing of
• shudder at
• shrink from
• recoil from
• rebel
• object to