Not up to par and Weak

Weak and not up to par are semantically related. in insufficient topic. In some cases you can use "Weak" instead an adjective phrase "Not up to par".

Weak adjective - Lacking bodily strength.

Not up to par and weak are semantically related. Sometimes you can use "Not up to par" instead an adjective "Weak".

Nearby Words: weaken, weakness, weakly, weakening, weakling