Apical and Needlelike

Apical adjective - Situated at an apex.

Needlelike and apical are semantically related in sharp topic. In some cases you can use "Needlelike" instead an adjective "Apical", when it comes to topics like knifelike.

Needlelike adjective - Being of less than usual width.

Apical and needlelike are semantically related in sharp topic. You can use "Apical" instead an adjective "Needlelike", if it concerns topics such as knifelike.