"more or less" | Definition and Related Words

Adverb

(of quantities) imprecise but fairly close to correct (synset 400007414)
"lasted approximately an hour"; "in just about a minute"; "he's about 30 years old"; "I've had about all I can stand"; "we meet about once a month"; "some forty people came"; "weighs around a hundred pounds"; "roughly $3,000"; "holds 3 gallons, more or less"; "20 or so people were at the party"

same as: about, approximately, around, close to, just about, or so, roughly, some
To a small degree or extent (synset 400036695)
"his arguments were somewhat self-contradictory"; "the children argued because one slice of cake was slightly larger than the other"

same as: slightly, somewhat