0 past simple and past participle of sour --
2 to (cause to) become unpleasant or unfriendly: --
The successful privatisation of the industry could be undermined if the atmosphere is soured.
Some of the survivors are among these pensioners about whom we are talking today, and it is sad to have soured that tradition.
The union's efforts to secure recognition have been weakened seriously and industrial relations at the firm have been soured.
Such happenings leave such a sense of rejection which too easily develops into anguished bitterness and a soured attitude of mind.
Compulsion has soured relations between local authorities and the private sector and caused divisions within local councils.
The consequence is that these lands are being absolutely soured.
The land may be in a soured or ill-drained condition for many reasons.
Their souls were soured and their minds were poisoned by bitterness.