Standard Lemma guide

longtime

adj · adv · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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CMU ARPABET: L AO1 NG T AY2 M Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

adj

Meaning 1

Having endured for a long period of time.

Definition source: English Wiktionary via Wiktextract

Examples

My longtime friend, since birth actually, called and gently broke the bad news to me.
longtime favorite

Meaning relationships

Synonyms: none provided

Antonyms: none provided

adv

Meaning 2

Having been for a long time

Definition source: English Wiktionary via Wiktextract

Examples

longtime married

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree English long Proto-Indo-European *deh2-der. Proto-Indo-European *deh2y- Proto-Indo-European *-mṓ Proto-Indo-European *dh2i-mon- Proto-Germanic *tīmô Proto-West Germanic *tīmō Old English tīma Middle English tyme English time English longtime From long + time.

Across languages

Translations

2 source translations are retained for this English entry.

Finnish: pitkäaikainen — having endured for long
Finnish: kesto- — having endured for long

Word forms

Inflections and variants

more longtime — comparative
most longtime — superlative
long-time — alternative

Word family

Derived and related words

Derived: long-timer, longtimer

Related: none provided

Semantic map

Other relationships

Sources

Where this information comes from

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Real reading context

Examples

Meaning relationships

Examples

Meaning relationships

longtime in complete knowledge articles