Choose the one which best expresses the meaning of WELSH.

Default is the synonym of Welsh.
'Welsh' is to lack to respect anything. For example, Banks began welshing ontheir agreement not to convert dollar reserves into gold. The word 'perspire' implies to sweat. 'Inspire' means to make someone believe they can and want to do something. To 'encourage' someone is to motivate them. The term "default" refers to the failure to fulfil a commitment.