0 a person who is opposed to political or social change or new ideas: --
Reactionaries are preventing reforms.
1 opposed to political or social change or new ideas: --
Reactionary forces/elements in the industry are preventing its progress towards greater efficiency.
They have made a career out of this reactionary, sentimental nonsense.
2 a person who opposes political or social change --
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Vi kan slutföra det steg för steg hur lång vägen än är och den kan inte slutföras hur kort vägen än är om du inte ens markerar ditt fotavtryck.