✅ Testy describes someone who is irritable and impatient (I woke up feeling testy and annoyed with everyone).

✅ Grouchy describes someone who is sulky and unhappy in an irritated way (He was feeling grouchy after he lost the football game).

✅ Both of these words can be used to describe people who are irritable and behaving in a snappish, bad-tempered way.

✅ Testy is more specific than grouchy. It suggests impatience, either with another person or with circumstances, that is not necessarily suggested by grouchy.

✅ Resolved describes something that has been explained or decided (He was resolved to go away for a week).

✅ Settled describes something that has been decided or agreed on (When we felt settled about who would do which chores, we didn’t fight as much).

✅ Both of these words describe things that have been decided, agreed on, or figured out.

✅ Resolved emphasizes a sense of determination, whereas settled emphasizes coming to an agreement (The question about who is in charge of food is settled).

✅ Hostile means that a person is antagonistic, unfriendly, or inhospitable (My hostile neighbor softened after a while).

✅ Belligerent means that a person is hostile in an aggressive way (The customer was belligerent and refused to leave).

✅ Both of these terms suggest someone who behaves in an unfriendly and often angry or cantankerous way.

✅ Belligerent suggests a level of active aggression or nastiness that is not present in hostile.