Please parse:
11ac Being married in ill-will must become ultimately repellent (6) = entity
27ac Note height borne by tag on collar (9) = apprehend
28ac Try avoiding a number gripped by clear primal urge (4,8) herd instinct
5dn Slight criticism when each son gives way to female deception (8) = flimflam
7dn Double vision could result from rum used with such forgetfulness (8) = oblivion
11a.(mus)t in En(m)ity
27a.27a. re(note) + h(height) in append(tag on)
28a.he(a)r + distinct(clear)
5d.Slim slam with f replacing s
7d.Anagram of double vision - used