Fixed and Solid as rock

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

Solid as rock and fixed are semantically related In some cases you can use "Solid as rock" instead an adjective "Fixed".

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

Fixed and solid as rock are semantically related in fastened topic. Sometimes you can use "Fixed" instead an adjective phrase "Solid as rock", if it concerns topics such as decided.