shallow

This crater is relatively shallow.

The water is shallow here.

It was a glamorous but shallow lifestyle.

The acting is good, but the characters are shallow.

shallow learning

the sound perfecter and not so shallow and jarring

Rosol spurned the chance to finish off a shallow second serve by spooning into the net, and a wild forehand took the set to 5-4, with the native of Prerov required to hold his serve for victory.

a shallow climb; a shallow descent; a shallow bank angle