What is the antonym of clasp?

The antonym of clasp depends on the context. Here are a few possibilities:

If clasp refers to a fastener:

* Unclasp

* Release

* Open

* Unfasten

If clasp refers to a grip or hold:

* Release

* Let go

* Loosen

* Drop

If clasp refers to an embrace:

* Separate

* Part

* Disengage

* Unhug

If clasp refers to a strong hold or grasp:

* Loosen

* Relax

* Weaken

* Let go

The best antonym will depend on the specific meaning of "clasp" in the context.