mainline

Fetched 2026-10-26 (cache).

Synonyms: main line, main-line, hainline, manlike, marline, mainland, manling, maidling, airline, mailing, midline

Antonyms: main line, main-line, hainline, manlike, marline, mainland, manling, maidling, airline, mailing, midline

Related words from Datamuse; suggestions, not definitions.

Adjective

1. [[normal|Normal]], [[principal]] or [[standard]].
2. {{lb|en|religion|chiefly|US|_|Protestantism}} Not [[fundamentalist]], [[charismatic]] or [[evangelical]].
3. {{lb|en|rail transport}} Of or pertaining to the principal [[route]] or [[line]] of a [[railway]].
4. {{lb|en|rail transport}} Of or pertaining to a [[surface]]-level [[heavy rail]] system as distinct from an underground, elevated or light rail one.
5. {{lb|en|rail transport}} Of or pertaining to [[national]] or [[long-distance]] rail network operators as opposed to [[urban]] and [[suburban]] operators.
6. {{lb|en|shipping}} Pertaining to a direct [[route]] between two major ports.
7. {{lb|en|chess}} Of a [[sequence]] of [[opening]] [[move]]s: being part of a [[main line]] ("a standard sequence of opening moves considered to be best play").

Verb

1. {{lb|en|slang}} To [[inject]] (a [[drug]]) [[directly]] into a [[vein]].
2. {{lb|en|by extension|informal|transitive}} To [[consume]] voraciously.
3. {{lb|en|computing|transitive}} To integrate (code, etc.) into the main [[repository]] for a [[software]] [[project]], rather than separate [[fork]]s.
4. {{lb|en|transitive}} To include (a prisoner) in the [[general population]] of a prison.

Noun

1. {{lb|en|aviation}} An [[airline]]'s main operating unit, as opposed to [[codeshare]]s or regional subsidiaries.
2. {{lb|en|rail transport}} The principal [[route]] or [[line]] of a [[railway]].
3. {{lb|en|fishing}} In [[longline]] [[fishing]] the central line to which the branch lines with [[bait]]s are [[attach]]ed.
4. {{lb|en|plumbing}} The [[pipeline]] carrying [[wastewater]] to the public [[drain]]s or a [[septic tank]].
5. {{lb|en|slang}} A principal [[vein]] into which a [[drug]] can be [[injected]].
6. {{lb|en|computing}} The main [[repository]] for a [[software]] [[project]], from which different versions ([[fork]]s) may be split off.
7. {{lb|en|chess}} {{alt form|en|main line}}.
8. The [[general population]] of a [[prison]].

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.