precipitant

Adjective

• done with very great haste and without due deliberation
  • hasty marriage seldom proveth well- Shakespeare
    
  • hasty makeshifts take the place of planning- Arthur Geddes
    
  • rejected what was regarded as an overhasty plan for reconversion
    
  • wondered whether they had been rather precipitate in deposing the king
    

Noun

• an agent that causes a precipitate to form

Related words

• Synonyms: 
  hasty , overhasty , precipitate , precipitous