Beefed is a verb that means to increase or strengthen something. Some synonyms for beefed include amplified, intensified, fortified, bolstered, augmented, and enhanced. Amplified refers to increasing the volume or magnitude of something. Intensified highlights making something more intense or extreme. Fortified implies making something stronger and more secure. Bolstered means providing additional support to strengthen a system or structure. Augmented refers to adding something extra to make the thing bigger or better. Enhanced highlights improving or refining a quality or attribute. All these synonyms for beefed can be used interchangeably, depending on the context of the sentence.