ADJ
- extreme, sharp, strong, violent
- favourable, positive
- adverse, hostile, negative
- mixed
- The speech got a mixed reaction
- angry
- first, immediate, initial
- delayed
- Her outburst was a delayed reaction to an unpleasant letter she'd received that morning
- chain
- The change of plan set off a chain reaction of confusion
- mixed
- common, general, public
- natural, normal
- automatic, gut, instinctive, knee-jerk, spontaneous
- The incident calls for a measured response, avoiding knee-jerk reactions
- nervous
- emotional
- critical
- The critical reaction to his first novel has been positive
VERB + REACTION
- get, have, meet with
- The play met with a mixed reaction from the critics
- bring, cause, produce, provoke, set off, spark (off), trigger (off)
- She was surprised at the reaction brought by the mention of his
- delayed
- a delayed reaction to the drugs
- allergic
- have, suffer
- She had a very bad allergic reaction to the peanuts
- cause, produce
PREP
- ~ to
- A small minority of patients suffer an adverse reaction to the treatment. name
- gauge, judge (by/from)
- He eyed her cautiously, trying to gauge her reaction. Judging by her reaction, she liked the present
- in ~ to
- There's been a drop in ticket sales in reaction to the review
- ~ against
- Her rebellious attitude is just a reaction against her strict upbringing
- ~ to
- the public reaction to the news
ADJ
- fast, good, lightning, quick
- slow, sluggish
VERB + REACTION
- have
- She has very quick reactions
- speed up
- slow down
- Alcohol has the effect of slowing down your reactions
REACTION + NOUN
- time
- Your reaction time increases when you are tired
VERB + REACTION
- cause, produce, start, trigger
- stop
- speed up
- slow down
PREP
- during/in a/the ~
- the energy given out during the reaction
- ~ between
- studying the reactions between certain gases
- ~ with
- the fuel's chemical reaction with the surrounding water
