For form's sake and Mealy-mouthed

Mealy-mouthed and for form's sake are semantically related. In some cases you can use "Mealy-mouthed" instead an adjective phrase "For form's sake".

Mealy-mouthed adjective - Hesitant to state facts or opinions simply and directly as from e.g. timidity or hypocrisy.

For form's sake and mealy-mouthed are semantically related. You can use "For form's sake" instead an adjective phrase "Mealy-mouthed".