Definition of signless in English:

signless

adjective ˈsʌɪnlɪs

1Without a sign; especially (of a building, road, etc.) unmarked by a signpost or notice.
2Chiefly literary. That makes no sign or movement; motionless.
3Mathematics. Of a number: not distinguished as positive or negative; written without a (plus or minus) sign.

Mid 17th century; earliest use found in Thomas Fuller (1607/8–1661), Church of England clergyman. From sign + -less.

adjectiveˈsʌɪnlɪs

1Without a sign; especially (of a building, road, etc.) unmarked by a signpost or notice.
2Chiefly literary. That makes no sign or movement; motionless.
3Mathematics. Of a number: not distinguished as positive or negative; written without a (plus or minus) sign.

Mid 17th century; earliest use found in Thomas Fuller (1607/8–1661), Church of England clergyman. From sign + -less.

词汇	signless
释义	Definition of signless in English: signless adjective ˈsʌɪnlɪs 1Without a sign; especially (of a building, road, etc.) unmarked by a signpost or notice. 2Chiefly literary. That makes no sign or movement; motionless. 3Mathematics. Of a number: not distinguished as positive or negative; written without a (plus or minus) sign. Origin Mid 17th century; earliest use found in Thomas Fuller (1607/8–1661), Church of England clergyman. From sign + -less. Definition of signless in US English: signless adjectiveˈsʌɪnlɪs 1Without a sign; especially (of a building, road, etc.) unmarked by a signpost or notice. 2Chiefly literary. That makes no sign or movement; motionless. 3Mathematics. Of a number: not distinguished as positive or negative; written without a (plus or minus) sign. Origin Mid 17th century; earliest use found in Thomas Fuller (1607/8–1661), Church of England clergyman. From sign + -less.
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