Meanings:

Became indifferent — did not care.

Grudged —  gave unwillingly.

Swallowed these insults —  tolerated them.

Make it up —  stop their quarrelling.

Mum —- silent

Nominate —suggests someone’s name .

Abide by – accept

Seldom—rarely

Tight situation – difficult situation

Deviate – move away from.

Conscience – inner voice.