Fixed and Heavy-duty

Fixed adjective - Having been established and usually not subject to change.

Heavy-duty and fixed are semantically related In some cases you can use "Heavy-duty" instead an adjective "Fixed".

Nearby Words: fix, fixing, fixedly, fixation, fixer

Heavy-duty adjective - Extreme in degree, power, or effect.

Fixed and heavy-duty are semantically related in strong topic. Sometimes you can use "Fixed" instead an adjective phrase "Heavy-duty", if it concerns topics such as healthy.