H

A–Z Vocabulary

IELTS Words Starting With H

Strong IELTS words starting with H — harness, hierarchy, holistic and more — with definitions, examples and memory tricks.

10 words10 memory tricks30+ collocations

10 / 10 words

01

harness

verb

1 / 10

Definition

To control and make use of natural resources, especially to produce energy.

Example sentence

Coastal countries have a unique opportunity to harness the energy of tidal currents.

Memory trick

A harness controls a horse — to harness is to control and put to use.

Common collocations

harness energyharness the powerharness technology
02

hierarchy

noun

2 / 10

Definition

A system in which members of an organisation or society are ranked according to relative status or authority.

Example sentence

Flatter organisational hierarchies tend to foster greater innovation and employee satisfaction.

Memory trick

'Hier-' (sacred) + '-archy' (rule) — a sacred order of rule.

Common collocations

social hierarchyrigid hierarchycorporate hierarchy
03

hinder

verb

3 / 10

Definition

To make it difficult for someone to do something or for something to happen.

Example sentence

Excessive regulation can hinder the development of small and medium-sized enterprises.

Memory trick

'Hind' = back — hindering pulls something back.

Common collocations

seriously hinderhinder progresshinder development
04

holistic

adjective

4 / 10

Definition

Considering all parts of something as interconnected; treating the whole.

Example sentence

A holistic approach to mental health addresses physical, social, and economic factors simultaneously.

Memory trick

'Holistic' = 'whole' + '-istic' — looking at the whole thing.

Common collocations

holistic approachholistic viewholistic education
05

homogeneous

adjective

5 / 10

Definition

Of the same kind; uniform throughout.

Example sentence

Increasingly diverse societies are replacing the largely homogeneous communities of earlier generations.

Memory trick

'Homo-' (same) + '-genous' (kind) — same kind.

Common collocations

culturally homogeneoushomogeneous grouphighly homogeneous
06

hypothesis

noun

6 / 10

Definition

A proposed explanation, made on the basis of limited evidence, as a starting point for further investigation.

Example sentence

The researchers tested the hypothesis that bilingualism delays the onset of cognitive decline.

Memory trick

'Hypo-' (under) + 'thesis' — an idea sitting under your main thesis.

Common collocations

test a hypothesissupport the hypothesisworking hypothesis
07

humanitarian

adjective / noun

7 / 10

Definition

Concerned with the welfare of human beings, especially in crises.

Example sentence

Humanitarian aid agencies have struggled to reach those displaced by the ongoing conflict.

Memory trick

'Human' + '-itarian' — focused on humans.

Common collocations

humanitarian aidhumanitarian crisishumanitarian effort
08

harmonise

verb

8 / 10

Definition

To make consistent or compatible; to bring into agreement.

Example sentence

EU member states have worked to harmonise food safety standards across the single market.

Memory trick

Like singing in harmony — different parts brought into agreement.

Common collocations

harmonise standardsharmonise policiesharmonise approaches
09

hallmark

noun

9 / 10

Definition

A distinctive feature, especially one of excellence.

Example sentence

Critical thinking is widely regarded as a hallmark of a strong liberal education.

Memory trick

Originally the mark stamped on silver at Goldsmiths' Hall — proof of authenticity.

Common collocations

hallmark of qualityhallmark of successtrue hallmark
10

hospitable

adjective

10 / 10

Definition

Friendly and welcoming to strangers or guests; (of an environment) suitable.

Example sentence

Cultures that are hospitable to immigration tend to benefit from greater entrepreneurial activity.

Memory trick

Like 'hospital' welcoming patients — hospitable means welcoming.

Common collocations

hospitable environmenthospitable culturewarmly hospitable