experimenter experimenter /ɪkˈspɛrəˌmɛntɝ/

noun

1. () A research worker who conducts experiments  ( experimenter )
   a research worker who conducts experiments
     The curious experimenter conducted scientific tests to explore new hypotheses.
   The curious experimenter conducted scientific tests to explore new hypotheses.
   
   
2. A person who enjoys testing innovative ideas  ( experimenter )
   a person who enjoys testing innovative ideas
    She was an experimenter in new forms of poetry
   she was an experimenter in new forms of poetry
   
   

 unsure unsure /ənˈʃʊr/

adjective

1. Lacking or indicating lack of confidence or assurance  ( unsure , incertain [Non-standard] , uncertain )
   lacking or indicating lack of confidence or assurance
    Uncertain of his convictions
   uncertain of his convictions
    Unsure of himself and his future
   unsure of himself and his future
    Moving with uncertain (or unsure) steps
   moving with uncertain (or unsure) steps
    An uncertain smile
   an uncertain smile
    Touched the ornaments with uncertain fingers
   touched the ornaments with uncertain fingers
   
2. Lacking self-confidence  ( diffident , shy , timid , unsure , unconfident )
   lacking self-confidence
    Stood in the doorway diffident and abashed
   stood in the doorway diffident and abashed
    Problems that call for bold not timid responses
   problems that call for bold not timid responses
    A very unsure young man
   a very unsure young man
   
   

 moody moody /ˈmuːdi/

adjective

1. Subject to sharply varying moods  ( moody , temperamental )
   subject to sharply varying moods
    A temperamental opera singer
   a temperamental opera singer
   
2. Showing a brooding ill humor  ( dark , dour , glum , glowering , moody , morose , saturnine , sour , sullen )
   showing a brooding ill humor
    A dark scowl
   a dark scowl
    The proverbially dour New England Puritan
   the proverbially dour New England Puritan
    A glum, hopeless shrug
   a glum, hopeless shrug
    He sat in moody silence
   he sat in moody silence
    A morose and unsociable manner
   a morose and unsociable manner
    A saturnine, almost misanthropic young genius
   a saturnine, almost misanthropic young genius
    A sour temper
   a sour temper
    A sullen crowd
   a sullen crowd
   

 Moody

noun

1. United States evangelist (1837-1899)  ( Dwight Lyman Moody , Moody , Dwight L. Moody )
   United States evangelist (1837-1899)
   
   
2. United States tennis player who dominated women's tennis in the 1920s and 1930s (1905-1998)  ( Helen Newington Wills , Helen Wills , Helen Wills Moody , Moody )
   United States tennis player who dominated women's tennis in the 1920s and 1930s (1905-1998)
   
   

 requester requester /rɪˈkwɛstɝ/

noun

1. One praying humbly for something  ( requester , suppliant , supplicant , petitioner )
   one praying humbly for something
    A suppliant for her favors
   a suppliant for her favors