a person with a long experience in a field of work
veteran
finish making or doing
complete
feeling guilt or disgrace
ashamed
having regulations or requirements (strict)
stringent
from a time in the past until now
since
glossy type of fabric
satin
confirming something (in fact)
indeed
restless, not patient
impatient
living and nonliving things that make up the environment
ecosystem
a punctuation mark for a list :
colon
quickly or right away
instant
worshipful
reverent
a warm and sunny place by the ocean
tropical
a large number of people gathered together
crowd
a group of atoms
molecule
to enter quickly into something
plunge
an individual animal or plant composed of cells
organism
a unified group of individuals
community
colorless and odorless gas
hydrogen
provoking anger
irritate