Noun: substituting 'súb-sti,t(y)oo-ting
- Working as a substitute for someone who is ill or on leave of absence
"She made extra money by substituting for teachers on maternity leave";
- subbing [informal]
- Put in the place of another; switch seemingly equivalent items
"substitute regular milk for fat-free milk";
- replace, interchange, exchange, sub [informal]
- Be a substitute
"The skim milk substitutes for cream — we are on a strict diet"; "The young teacher had to substitute for the sick colleague";
- sub [informal], stand in, fill in
- Act or speak as a replacement (for someone or something)
"The assistant coach had to substitute for the head coach during his illness";
- deputize, deputise [Brit], step in, sub [informal]
Type of: alter, change, exchange, interchange, modify, replace, supercede [non-standard], supersede, supervene upon, supplant, work
Encyclopedia: Substitute