"I am not irreplaceable," Iglesias himself has declared.
Mayor Giuliani was not irreplaceable after 9/11, and Mayor Michael R. Bloomberg is not irreplaceable now.
Zawahiri is not irreplaceable, but he is very valuable because of his experience.
But in the final analysis, he said, it was just an apartment, and it was not irreplaceable.
Frank says he thinks the A.I.G. executives are not irreplaceable and are probably bluffing about leaving anyway.
"Mark is not irreplaceable for this mission," Professor Logsdon said, "and naming a backup is the prudent thing for NASA to do.
"But what would we do without you, Auntie?" Don't let this young woman's sweet voice deceive you, Auntie Mei warned herself: you're not irreplaceable — not for her, not for Baby, not for anyone.
But Scholes, who was a member of the United team that won the Champions League in 2008, feels he is not irreplaceable at Old Trafford.
Much of the main danger comes from out wide, from Robben and Ribery, although Mario Gotze showed that even the France winger is not irreplaceable by filling in brilliantly for him recently.
Experts say the 45-year-old was viewed as a senior militant leader in both countries and that he is a big loss to the Haqqani group although not irreplaceable.
Granted, the present location is excellent, but not irreplaceable.
