Adolescence /ˌæd

moderate /ˈmɒd. ə r.ət/ /ˈmɑː.dɚ-/ adjective MEDIUM-SIZED
1. neither small nor large but between the two; clearly within the limits of a range of possibilities
moderate growth/inflation
He's a moderate drinker.
The cabin is of moderate size - just right for a small family.
Imposing sanctions is a moderate action when you consider that the alternative is military intervention.
moderate /ˈmɒd. ə r.ət/ /ˈmɑː.dɚ-/ adjective SLIGHT
2. slight or limited; not as great as hoped for
There has been a moderate improvement in her health since she began the treatment.
We have had moderate success in changing people's attitudes.
obese /ə ʊ  ˈbiːs/ /oʊ-/ adjective
extremely fat
overweight /ˌəʊ.vəˈweɪt/ , /ˈ---/ /ˌoʊ.vɚ-/ adjective
1. fat
He used to be very overweight.
I'm only a few kilos overweight, but I just can't seem to lose them.
an overweight man/woman/child Opposite underweight
2. heavier than is allowed
If your luggage is overweight, you have to pay extra.
persistent /pəˈsɪs.t ə nt/ /pɚ-/ adjective
1. lasting for a long time or difficult to get rid of
a persistent smell/skin rash
Symptoms of the illness include a high temperature and a persistent dry cough.
There have been persistent rumours that the managing director might take early retirement.
2. Someone who is persistent continues doing something or tries to do something in a determined but often unreasonable way
Be persistent - don't give up. He has been a persistent critic of the president.
She is a persistent offender and has been arrested five times this year for shoplifting.