This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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v. Simple past tense and past participle of labour.

adj. Of an action that is difficult to perform.

adj. Of writing or speech or similar, stilted or not natural due to too much effort being used in the production.

adj. same as labored; -- British spelling.

adj. requiring or showing effort

adj. lacking natural ease

"Stair soothed the dog with one hand, for he could hear his heart thump in short laboured leaps as if after a long pursuit of a dog-fox on the hillside."

effortful    awkward   

labored   

graceless    labored    strained   

labour   

interpretable    secondorder    10-digit    targetable    dosimetric    50-percent    pantomimic    pin-point    light-speed    unimpressive