An unshackled Jacinta Nampijinpa Price will be even more outspoken after her return to the backbench but will have to put her leadership ambitions on ice.

The firebrand Northern Territory senator, who is popular with many conservative coalition supporters, was sacked from the shadow cabinet by Opposition Leader Sussan Ley on Wednesday evening after repeatedly failing to declare support for her leadership.

Senator Nampijinpa Price was promoted from the backbench during her first term in parliament in a meteoric rise built on her successful opposition to the Indigenous voice.

She quit the Nationals to sit in the Liberal party room following the coalition's disastrous election defeat in May as part of an aborted plan to contest the deputy leadership.

Liberal insiders have downplayed specu

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