-aster
suffix forming nouns
a person or thing that is inferior or bears only a poor resemblance to what is specified
⇒ 
poetaster
Origin
from Latin: suffix indicating imperfect resemblance-aster1
Word Origin
1 
a diminutive or pejorative suffix denoting something that imperfectly resembles or mimics the true thing:
criticaster; poetaster, oleaster.
Origin
< Latin
-aster2
1 
Chiefly Biology. a combining form with the meaning “star,” used in the formation of compound words:
diaster.
Origin
< Greek astḗr star; cf. astro-
Related Words
- cotoneaster
- sargasso
- amphiaster
- astro-
- criticaster
- cytaster
-asterI.
a suffix used to form nouns denoting something that imperfectly resembles or merely apes the true thing, or an inferior or petty instance of something, as in poetaster, oleaster.
[Latin]II.
Chiefly Biology
a suffix meaning 'star'.
[representing Greek astēr]-aster
noun suffix
criticaster
noun suffix
 ETYMOLOGY  Middle English, from Latin, suffix denoting partial resemblance
: one that is inferior or not genuinecriticaster
-aster
                suffix
              forming nouns [构成名词]
            1.     
         -          denoting poor quality表示“次等的”:
-       criticaster poetaster. 
         2.     
         -          Botany denoting incomplete resemblance【植】表示“似的”, “伪的”:
-       oleaster. 
词源
from Latin.
-aster
word-forming element expressing incomplete resemblance (such as poetaster), usually diminutive and deprecatory, from Latin, from Greek -aster, suffix originally forming nouns from verbs ending in -azein, later generalized as a pejorative suffix, as in Greek patraster "he who plays the father."
ORIGIN: Latin .
-as·ter
I.\|astə(r), |aas-\  noun suffix 
(-s) 
Etymology: Middle English, from Latin, suffix denoting partial resemblance 
 : one that is inferior, worthless, or not genuine 
< criticaster >
< poetaster >
II.\| ̷ ̷ ̷ ̷\  noun combining form 
(-s) 
Etymology: New Latin, from Greek astēr 
 : star  — in structural and generic names in biology
< diaster >
< Geaster >
I.
< criticaster >
< poetaster >
II.
< diaster >
< Geaster >
-aster
Suffix
- Used to form diminutive and pejorative nouns, labeling someone pretending to be what they are not.
Etymology
From Latin -aster (“little, petty, partial, incomplete”).
Derived terms
 English words suffixed with -aster
Related terms
后缀:-aster [名词后缀]
表示人(卑称)
poetaster 劣等诗人
criticaster 低劣的批评家
medicaster 江湖医生,庸医
philosophaster 肤浅的哲学家