Retral and Uttermost

Retral adjective - Moving or directed or tending in a backward direction or contrary to a previous direction.

Uttermost and retral are semantically related. In some cases you can use "Uttermost" instead an adjective "Retral".

Uttermost adjective - Of the greatest or highest degree or quantity.

Retral and uttermost are semantically related. Sometimes you can use "Retral" instead an adjective "Uttermost".