Deepen and Tack on

Deepen verb - To make markedly greater in measure or degree.

Tack on and deepen are semantically related In some cases you can use "Tack on" instead a verb "Deepen".

Nearby Words: deep, deeply, deepness, deepening

Tack on verb - To join (something) to a mass, quantity, or number so as to bring about an overall increase.

Deepen and tack on are semantically related in increase topic. Sometimes you can use "Deepen" instead a verb "Tack on", if it concerns topics such as add or grow.