doyen doyenne (noun) pilot: person who guides aircraft, ship, or other vehicle
Sinonime: aggravate, corrode,
damage, decline, degenerate,
depress,
descend,
deteriorate, disintegrate,
exacerbate, fall off, get worse, go downhill,
impair,
lower, retrograde, retrogress, rot, sink
Antonime: improve,
increase