become+worse
131degenerate — I UK [dɪˈdʒenəreɪt] / US [dɪˈdʒenəˌreɪt] verb [intransitive] Word forms degenerate : present tense I/you/we/they degenerate he/she/it degenerates present participle degenerating past tense degenerated past participle degenerated to become worse… …
132worsen — UK [ˈwɜː(r)s(ə)n] / US [ˈwɜrs(ə)n] verb [intransitive/transitive] Word forms worsen : present tense I/you/we/they worsen he/she/it worsens present participle worsening past tense worsened past participle worsened to become worse, or to make… …
