adj · 4 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
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
Received-Pronunciation:/ˈhɑːmləs/
General-American:/ˈhɑɹmləs/
US:Recorded audio is listed in the source snapshot.
CMU ARPABET:HH AA1 R M L AH0 S
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 1
Incapable of causing harm or danger; safe.
Definition source: English Wiktionary via Wiktextract
Definition source: English Wiktionary via Wiktextract
Examples
His humor can be annoying but is harmless.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
adj
Meaning 3
Unharmed.
Definition source: English Wiktionary via Wiktextract
Usage: obsolete
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: unscathed
Antonyms: none provided
4
adjective
Meaning 4
not causing or capable of causing harm
Definition source: Princeton WordNet 3.0
Examples
harmless bacteria
rendered the bomb harmless
Meaning relationships
Synonyms: none provided
Antonyms: harmful
History
Etymology
From Middle English harmles, from Old English *hearmlēas, from Proto-Germanic *harmalausaz (“without harm; harmless”), equivalent to harm + -less. Cognate with German harmlos (“harmless”), Danish harmløs (“harlmess”), Swedish harmlös (“harmless”).
Across languages
Translations
49 source translations are retained for this English entry.
Azerbaijani:
zərərsiz
— incapable of causing harm or danger
Belarusian:
няшко́дны
(njaškódny)
— incapable of causing harm or danger
Belarusian:
бясшко́дны
(bjasškódny)
— incapable of causing harm or danger
Bulgarian:
безвре́ден
(bezvréden)
— incapable of causing harm or danger
Bulgarian:
безоби́ден
(bezobíden)
— incapable of causing harm or danger
Catalan:
inofensiu
— incapable of causing harm or danger
Chinese Mandarin:
無害 /无害
(wúhài)
— incapable of causing harm or danger
Czech:
neškodný
— incapable of causing harm or danger
Dutch:
ongevaarlijk
— incapable of causing harm or danger
Dutch:
onschadelijk
— incapable of causing harm or danger
Esperanto:
sendanĝera
— incapable of causing harm or danger
Finnish:
harmiton
— incapable of causing harm or danger
French:
inoffensif
— incapable of causing harm or danger
German:
harmlos
— incapable of causing harm or danger
German:
unschädlich
— incapable of causing harm or danger
German:
ungefährlich
— incapable of causing harm or danger
Ancient Greek:
ἀβλαβής
(ablabḗs)
— incapable of causing harm or danger
Hungarian:
ártalmatlan
— incapable of causing harm or danger
Icelandic:
meinlaus
— incapable of causing harm or danger
Irish:
neamhdhíobhálach
— incapable of causing harm or danger
Irish:
neamhurchóideach
— incapable of causing harm or danger
Japanese:
無害な
(mugai na)
— incapable of causing harm or danger
Kazakh:
зарарсыз
(zararsyz)
— incapable of causing harm or danger
Korean:
무해의
(muhae'ui)
— incapable of causing harm or danger
Latin:
innocuus
— incapable of causing harm or danger
Manx:
oney
— incapable of causing harm or danger
Manx:
meenieuagh
— incapable of causing harm or danger
Māori:
māhaki
— incapable of causing harm or danger
Norman:
innoffensif
— incapable of causing harm or danger
Norwegian Bokmål:
harmløs
— incapable of causing harm or danger
Polish:
nieszkodliwy
— incapable of causing harm or danger
Portuguese:
inofensivo
— incapable of causing harm or danger
Romanian:
nevătămător
— incapable of causing harm or danger
Romanian:
inofensiv
— incapable of causing harm or danger
Russian:
безвре́дный
(bezvrédnyj)
— incapable of causing harm or danger
Russian:
безоби́дный
(bezobídnyj)
— incapable of causing harm or danger
Slovak:
neškodný
— incapable of causing harm or danger
Spanish:
inocuo
— incapable of causing harm or danger
Spanish:
inofensivo
— incapable of causing harm or danger
Spanish:
benigno
— incapable of causing harm or danger
Swedish:
ofarlig
— incapable of causing harm or danger
Swedish:
harmlös
— incapable of causing harm or danger
Turkish:
zararsız
— incapable of causing harm or danger
Ottoman Turkish:
ضررسز
(zararsız)
— incapable of causing harm or danger
Ottoman Turkish:
زیانسز
(ziyansız)
— incapable of causing harm or danger
Turkmen:
zyýansyz
— incapable of causing harm or danger
Ukrainian:
нешкідли́вий
(neškidlývyj)
— incapable of causing harm or danger
Vietnamese:
vô hại
— incapable of causing harm or danger
Welsh:
diniwed
— incapable of causing harm or danger