unassertive
1. [ adjective ] not blatant or overly aggressive in manner or appearance
Synonyms: retiring
Examples:

"a retiring disposition"

Related terms: unobtrusive
2. [ adjective ] inclined to timidity or lack of self-confidence
Examples:

"a shy unassertive person"

Related terms: assertive nonassertive reticent submissive timid unaggressive
Similar spelling:   unassertively
  unsorted
  unsheared
  uncertain
  uncertainness
  Unsworth
  uncertainty
  uncertainly
  ungrasped
  uncertified
  unassured